/*
 * Copyright (c) 2015, 2026, Oracle and/or its affiliates.
 *
 * This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License, version 2.0, as published by
 * the Free Software Foundation.
 *
 * This program is designed to work with certain software that is licensed under separate terms, as designated in a particular file or component or in
 * included license documentation. The authors of MySQL hereby grant you an additional permission to link the program and your derivative works with the
 * separately licensed software that they have either included with the program or referenced in the documentation.
 *
 * Without limiting anything contained in the foregoing, this file, which is part of MySQL Connector/J, is also subject to the Universal FOSS Exception,
 * version 1.0, a copy of which can be found at http://oss.oracle.com/licenses/universal-foss-exception.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License, version 2.0, for more details.
 *
 * You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
 */

package com.mysql.cj.x.protobuf;

// Generated by the protocol buffer compiler.  DO NOT EDIT!
// NO CHECKED-IN PROTOBUF GENCODE
// source: mysqlx_expr.proto
// Protobuf Java Version: 4.31.1

@com.google.protobuf.Generated
public final class MysqlxExpr {
  private MysqlxExpr() {}
  static {
    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
      com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
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      MysqlxExpr.class.getName());
  }
  public static void registerAllExtensions(
      com.google.protobuf.ExtensionRegistryLite registry) {
  }

  public static void registerAllExtensions(
      com.google.protobuf.ExtensionRegistry registry) {
    registerAllExtensions(
        (com.google.protobuf.ExtensionRegistryLite) registry);
  }
  public interface ExprOrBuilder extends
      // @@protoc_insertion_point(interface_extends:Mysqlx.Expr.Expr)
      com.google.protobuf.MessageOrBuilder {

    /**
     * <code>required .Mysqlx.Expr.Expr.Type type = 1;</code>
     * @return Whether the type field is set.
     */
    boolean hasType();
    /**
     * <code>required .Mysqlx.Expr.Expr.Type type = 1;</code>
     * @return The type.
     */
    com.mysql.cj.x.protobuf.MysqlxExpr.Expr.Type getType();

    /**
     * <code>optional .Mysqlx.Expr.ColumnIdentifier identifier = 2;</code>
     * @return Whether the identifier field is set.
     */
    boolean hasIdentifier();
    /**
     * <code>optional .Mysqlx.Expr.ColumnIdentifier identifier = 2;</code>
     * @return The identifier.
     */
    com.mysql.cj.x.protobuf.MysqlxExpr.ColumnIdentifier getIdentifier();
    /**
     * <code>optional .Mysqlx.Expr.ColumnIdentifier identifier = 2;</code>
     */
    com.mysql.cj.x.protobuf.MysqlxExpr.ColumnIdentifierOrBuilder getIdentifierOrBuilder();

    /**
     * <code>optional string variable = 3;</code>
     * @return Whether the variable field is set.
     */
    boolean hasVariable();
    /**
     * <code>optional string variable = 3;</code>
     * @return The variable.
     */
    java.lang.String getVariable();
    /**
     * <code>optional string variable = 3;</code>
     * @return The bytes for variable.
     */
    com.google.protobuf.ByteString
        getVariableBytes();

    /**
     * <code>optional .Mysqlx.Datatypes.Scalar literal = 4;</code>
     * @return Whether the literal field is set.
     */
    boolean hasLiteral();
    /**
     * <code>optional .Mysqlx.Datatypes.Scalar literal = 4;</code>
     * @return The literal.
     */
    com.mysql.cj.x.protobuf.MysqlxDatatypes.Scalar getLiteral();
    /**
     * <code>optional .Mysqlx.Datatypes.Scalar literal = 4;</code>
     */
    com.mysql.cj.x.protobuf.MysqlxDatatypes.ScalarOrBuilder getLiteralOrBuilder();

    /**
     * <code>optional .Mysqlx.Expr.FunctionCall function_call = 5;</code>
     * @return Whether the functionCall field is set.
     */
    boolean hasFunctionCall();
    /**
     * <code>optional .Mysqlx.Expr.FunctionCall function_call = 5;</code>
     * @return The functionCall.
     */
    com.mysql.cj.x.protobuf.MysqlxExpr.FunctionCall getFunctionCall();
    /**
     * <code>optional .Mysqlx.Expr.FunctionCall function_call = 5;</code>
     */
    com.mysql.cj.x.protobuf.MysqlxExpr.FunctionCallOrBuilder getFunctionCallOrBuilder();

    /**
     * <code>optional .Mysqlx.Expr.Operator operator = 6;</code>
     * @return Whether the operator field is set.
     */
    boolean hasOperator();
    /**
     * <code>optional .Mysqlx.Expr.Operator operator = 6;</code>
     * @return The operator.
     */
    com.mysql.cj.x.protobuf.MysqlxExpr.Operator getOperator();
    /**
     * <code>optional .Mysqlx.Expr.Operator operator = 6;</code>
     */
    com.mysql.cj.x.protobuf.MysqlxExpr.OperatorOrBuilder getOperatorOrBuilder();

    /**
     * <code>optional uint32 position = 7;</code>
     * @return Whether the position field is set.
     */
    boolean hasPosition();
    /**
     * <code>optional uint32 position = 7;</code>
     * @return The position.
     */
    int getPosition();

    /**
     * <code>optional .Mysqlx.Expr.Object object = 8;</code>
     * @return Whether the object field is set.
     */
    boolean hasObject();
    /**
     * <code>optional .Mysqlx.Expr.Object object = 8;</code>
     * @return The object.
     */
    com.mysql.cj.x.protobuf.MysqlxExpr.Object getObject();
    /**
     * <code>optional .Mysqlx.Expr.Object object = 8;</code>
     */
    com.mysql.cj.x.protobuf.MysqlxExpr.ObjectOrBuilder getObjectOrBuilder();

    /**
     * <code>optional .Mysqlx.Expr.Array array = 9;</code>
     * @return Whether the array field is set.
     */
    boolean hasArray();
    /**
     * <code>optional .Mysqlx.Expr.Array array = 9;</code>
     * @return The array.
     */
    com.mysql.cj.x.protobuf.MysqlxExpr.Array getArray();
    /**
     * <code>optional .Mysqlx.Expr.Array array = 9;</code>
     */
    com.mysql.cj.x.protobuf.MysqlxExpr.ArrayOrBuilder getArrayOrBuilder();
  }
  /**
   * <pre>
   * *
   * The "root" of the expression tree.
   *
   * If expression type is PLACEHOLDER, then it refers to the value
   * of a parameter specified when executing a statement (see args
   * field of StmtExecute command). Field position (which must be
   * present for such an expression) gives 0-based position of the
   * parameter in the parameter list.
   *
   * &#64;par production list
   * &#64;code{unparsed}
   * expr: operator |
   * : identifier |
   * : function_call |
   * : variable |
   * : literal |
   * : object |
   * : array |
   * : placeholder
   * &#64;endcode
   * </pre>
   *
   * Protobuf type {@code Mysqlx.Expr.Expr}
   */
  public static final class Expr extends
      com.google.protobuf.GeneratedMessage implements
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      ExprOrBuilder {
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    static {
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    }
    // Use Expr.newBuilder() to construct.
    private Expr(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
      super(builder);
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    private Expr() {
      type_ = 1;
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    public static final com.google.protobuf.Descriptors.Descriptor
        getDescriptor() {
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     */
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       */
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      /**
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      /**
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       */
      VARIABLE(3),
      /**
       * <code>FUNC_CALL = 4;</code>
       */
      FUNC_CALL(4),
      /**
       * <code>OPERATOR = 5;</code>
       */
      OPERATOR(5),
      /**
       * <code>PLACEHOLDER = 6;</code>
       */
      PLACEHOLDER(6),
      /**
       * <code>OBJECT = 7;</code>
       */
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      /**
       * <code>ARRAY = 8;</code>
       */
      ARRAY(8),
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      /**
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      public static final int LITERAL_VALUE = 2;
      /**
       * <code>VARIABLE = 3;</code>
       */
      public static final int VARIABLE_VALUE = 3;
      /**
       * <code>FUNC_CALL = 4;</code>
       */
      public static final int FUNC_CALL_VALUE = 4;
      /**
       * <code>OPERATOR = 5;</code>
       */
      public static final int OPERATOR_VALUE = 5;
      /**
       * <code>PLACEHOLDER = 6;</code>
       */
      public static final int PLACEHOLDER_VALUE = 6;
      /**
       * <code>OBJECT = 7;</code>
       */
      public static final int OBJECT_VALUE = 7;
      /**
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          case 2: return LITERAL;
          case 3: return VARIABLE;
          case 4: return FUNC_CALL;
          case 5: return OPERATOR;
          case 6: return PLACEHOLDER;
          case 7: return OBJECT;
          case 8: return ARRAY;
          default: return null;
        }
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      private final int value;

      private Type(int value) {
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      // @@protoc_insertion_point(enum_scope:Mysqlx.Expr.Expr.Type)
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    /**
     * <code>required .Mysqlx.Expr.Expr.Type type = 1;</code>
     * @return Whether the type field is set.
     */
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    /**
     * <code>required .Mysqlx.Expr.Expr.Type type = 1;</code>
     * @return The type.
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    /**
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     */
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    /**
     * <code>optional .Mysqlx.Expr.ColumnIdentifier identifier = 2;</code>
     * @return The identifier.
     */
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    public com.mysql.cj.x.protobuf.MysqlxExpr.ColumnIdentifier getIdentifier() {
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    /**
     * <code>optional .Mysqlx.Expr.ColumnIdentifier identifier = 2;</code>
     */
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     * @return Whether the variable field is set.
     */
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    /**
     * <code>optional string variable = 3;</code>
     * @return The variable.
     */
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    /**
     * <code>optional .Mysqlx.Datatypes.Scalar literal = 4;</code>
     * @return Whether the literal field is set.
     */
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    /**
     * <code>optional .Mysqlx.Datatypes.Scalar literal = 4;</code>
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     */
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    /**
     * <code>optional .Mysqlx.Expr.FunctionCall function_call = 5;</code>
     * @return Whether the functionCall field is set.
     */
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     * <code>optional .Mysqlx.Expr.FunctionCall function_call = 5;</code>
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     */
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    }
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     * <code>optional .Mysqlx.Expr.FunctionCall function_call = 5;</code>
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    /**
     * <code>optional .Mysqlx.Expr.Operator operator = 6;</code>
     * @return Whether the operator field is set.
     */
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     * <code>optional .Mysqlx.Expr.Operator operator = 6;</code>
     * @return The operator.
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     * <code>optional .Mysqlx.Expr.Operator operator = 6;</code>
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     * @return Whether the position field is set.
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     * <code>optional uint32 position = 7;</code>
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          identifierBuilder_ = null;
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              com.mysql.cj.x.protobuf.MysqlxExpr.ColumnIdentifier, com.mysql.cj.x.protobuf.MysqlxExpr.ColumnIdentifier.Builder, com.mysql.cj.x.protobuf.MysqlxExpr.ColumnIdentifierOrBuilder>(
                  getIdentifier(),
                  getParentForChildren(),
                  isClean());
          identifier_ = null;
        }
        return identifierBuilder_;
      }

      private java.lang.Object variable_ = "";
      /**
       * <code>optional string variable = 3;</code>
       * @return Whether the variable field is set.
       */
      public boolean hasVariable() {
        return ((bitField0_ & 0x00000004) != 0);
      }
      /**
       * <code>optional string variable = 3;</code>
       * @return The variable.
       */
      public java.lang.String getVariable() {
        java.lang.Object ref = variable_;
        if (!(ref instanceof java.lang.String)) {
          com.google.protobuf.ByteString bs =
              (com.google.protobuf.ByteString) ref;
          java.lang.String s = bs.toStringUtf8();
          if (bs.isValidUtf8()) {
            variable_ = s;
          }
          return s;
        } else {
          return (java.lang.String) ref;
        }
      }
      /**
       * <code>optional string variable = 3;</code>
       * @return The bytes for variable.
       */
      public com.google.protobuf.ByteString
          getVariableBytes() {
        java.lang.Object ref = variable_;
        if (ref instanceof String) {
          com.google.protobuf.ByteString b = 
              com.google.protobuf.ByteString.copyFromUtf8(
                  (java.lang.String) ref);
          variable_ = b;
          return b;
        } else {
          return (com.google.protobuf.ByteString) ref;
        }
      }
      /**
       * <code>optional string variable = 3;</code>
       * @param value The variable to set.
       * @return This builder for chaining.
       */
      public Builder setVariable(
          java.lang.String value) {
        if (value == null) { throw new NullPointerException(); }
        variable_ = value;
        bitField0_ |= 0x00000004;
        onChanged();
        return this;
      }
      /**
       * <code>optional string variable = 3;</code>
       * @return This builder for chaining.
       */
      public Builder clearVariable() {
        variable_ = getDefaultInstance().getVariable();
        bitField0_ = (bitField0_ & ~0x00000004);
        onChanged();
        return this;
      }
      /**
       * <code>optional string variable = 3;</code>
       * @param value The bytes for variable to set.
       * @return This builder for chaining.
       */
      public Builder setVariableBytes(
          com.google.protobuf.ByteString value) {
        if (value == null) { throw new NullPointerException(); }
        variable_ = value;
        bitField0_ |= 0x00000004;
        onChanged();
        return this;
      }

      private com.mysql.cj.x.protobuf.MysqlxDatatypes.Scalar literal_;
      private com.google.protobuf.SingleFieldBuilder<
          com.mysql.cj.x.protobuf.MysqlxDatatypes.Scalar, com.mysql.cj.x.protobuf.MysqlxDatatypes.Scalar.Builder, com.mysql.cj.x.protobuf.MysqlxDatatypes.ScalarOrBuilder> literalBuilder_;
      /**
       * <code>optional .Mysqlx.Datatypes.Scalar literal = 4;</code>
       * @return Whether the literal field is set.
       */
      public boolean hasLiteral() {
        return ((bitField0_ & 0x00000008) != 0);
      }
      /**
       * <code>optional .Mysqlx.Datatypes.Scalar literal = 4;</code>
       * @return The literal.
       */
      public com.mysql.cj.x.protobuf.MysqlxDatatypes.Scalar getLiteral() {
        if (literalBuilder_ == null) {
          return literal_ == null ? com.mysql.cj.x.protobuf.MysqlxDatatypes.Scalar.getDefaultInstance() : literal_;
        } else {
          return literalBuilder_.getMessage();
        }
      }
      /**
       * <code>optional .Mysqlx.Datatypes.Scalar literal = 4;</code>
       */
      public Builder setLiteral(com.mysql.cj.x.protobuf.MysqlxDatatypes.Scalar value) {
        if (literalBuilder_ == null) {
          if (value == null) {
            throw new NullPointerException();
          }
          literal_ = value;
        } else {
          literalBuilder_.setMessage(value);
        }
        bitField0_ |= 0x00000008;
        onChanged();
        return this;
      }
      /**
       * <code>optional .Mysqlx.Datatypes.Scalar literal = 4;</code>
       */
      public Builder setLiteral(
          com.mysql.cj.x.protobuf.MysqlxDatatypes.Scalar.Builder builderForValue) {
        if (literalBuilder_ == null) {
          literal_ = builderForValue.build();
        } else {
          literalBuilder_.setMessage(builderForValue.build());
        }
        bitField0_ |= 0x00000008;
        onChanged();
        return this;
      }
      /**
       * <code>optional .Mysqlx.Datatypes.Scalar literal = 4;</code>
       */
      public Builder mergeLiteral(com.mysql.cj.x.protobuf.MysqlxDatatypes.Scalar value) {
        if (literalBuilder_ == null) {
          if (((bitField0_ & 0x00000008) != 0) &&
            literal_ != null &&
            literal_ != com.mysql.cj.x.protobuf.MysqlxDatatypes.Scalar.getDefaultInstance()) {
            getLiteralBuilder().mergeFrom(value);
          } else {
            literal_ = value;
          }
        } else {
          literalBuilder_.mergeFrom(value);
        }
        if (literal_ != null) {
          bitField0_ |= 0x00000008;
          onChanged();
        }
        return this;
      }
      /**
       * <code>optional .Mysqlx.Datatypes.Scalar literal = 4;</code>
       */
      public Builder clearLiteral() {
        bitField0_ = (bitField0_ & ~0x00000008);
        literal_ = null;
        if (literalBuilder_ != null) {
          literalBuilder_.dispose();
          literalBuilder_ = null;
        }
        onChanged();
        return this;
      }
      /**
       * <code>optional .Mysqlx.Datatypes.Scalar literal = 4;</code>
       */
      public com.mysql.cj.x.protobuf.MysqlxDatatypes.Scalar.Builder getLiteralBuilder() {
        bitField0_ |= 0x00000008;
        onChanged();
        return internalGetLiteralFieldBuilder().getBuilder();
      }
      /**
       * <code>optional .Mysqlx.Datatypes.Scalar literal = 4;</code>
       */
      public com.mysql.cj.x.protobuf.MysqlxDatatypes.ScalarOrBuilder getLiteralOrBuilder() {
        if (literalBuilder_ != null) {
          return literalBuilder_.getMessageOrBuilder();
        } else {
          return literal_ == null ?
              com.mysql.cj.x.protobuf.MysqlxDatatypes.Scalar.getDefaultInstance() : literal_;
        }
      }
      /**
       * <code>optional .Mysqlx.Datatypes.Scalar literal = 4;</code>
       */
      private com.google.protobuf.SingleFieldBuilder<
          com.mysql.cj.x.protobuf.MysqlxDatatypes.Scalar, com.mysql.cj.x.protobuf.MysqlxDatatypes.Scalar.Builder, com.mysql.cj.x.protobuf.MysqlxDatatypes.ScalarOrBuilder> 
          internalGetLiteralFieldBuilder() {
        if (literalBuilder_ == null) {
          literalBuilder_ = new com.google.protobuf.SingleFieldBuilder<
              com.mysql.cj.x.protobuf.MysqlxDatatypes.Scalar, com.mysql.cj.x.protobuf.MysqlxDatatypes.Scalar.Builder, com.mysql.cj.x.protobuf.MysqlxDatatypes.ScalarOrBuilder>(
                  getLiteral(),
                  getParentForChildren(),
                  isClean());
          literal_ = null;
        }
        return literalBuilder_;
      }

      private com.mysql.cj.x.protobuf.MysqlxExpr.FunctionCall functionCall_;
      private com.google.protobuf.SingleFieldBuilder<
          com.mysql.cj.x.protobuf.MysqlxExpr.FunctionCall, com.mysql.cj.x.protobuf.MysqlxExpr.FunctionCall.Builder, com.mysql.cj.x.protobuf.MysqlxExpr.FunctionCallOrBuilder> functionCallBuilder_;
      /**
       * <code>optional .Mysqlx.Expr.FunctionCall function_call = 5;</code>
       * @return Whether the functionCall field is set.
       */
      public boolean hasFunctionCall() {
        return ((bitField0_ & 0x00000010) != 0);
      }
      /**
       * <code>optional .Mysqlx.Expr.FunctionCall function_call = 5;</code>
       * @return The functionCall.
       */
      public com.mysql.cj.x.protobuf.MysqlxExpr.FunctionCall getFunctionCall() {
        if (functionCallBuilder_ == null) {
          return functionCall_ == null ? com.mysql.cj.x.protobuf.MysqlxExpr.FunctionCall.getDefaultInstance() : functionCall_;
        } else {
          return functionCallBuilder_.getMessage();
        }
      }
      /**
       * <code>optional .Mysqlx.Expr.FunctionCall function_call = 5;</code>
       */
      public Builder setFunctionCall(com.mysql.cj.x.protobuf.MysqlxExpr.FunctionCall value) {
        if (functionCallBuilder_ == null) {
          if (value == null) {
            throw new NullPointerException();
          }
          functionCall_ = value;
        } else {
          functionCallBuilder_.setMessage(value);
        }
        bitField0_ |= 0x00000010;
        onChanged();
        return this;
      }
      /**
       * <code>optional .Mysqlx.Expr.FunctionCall function_call = 5;</code>
       */
      public Builder setFunctionCall(
          com.mysql.cj.x.protobuf.MysqlxExpr.FunctionCall.Builder builderForValue) {
        if (functionCallBuilder_ == null) {
          functionCall_ = builderForValue.build();
        } else {
          functionCallBuilder_.setMessage(builderForValue.build());
        }
        bitField0_ |= 0x00000010;
        onChanged();
        return this;
      }
      /**
       * <code>optional .Mysqlx.Expr.FunctionCall function_call = 5;</code>
       */
      public Builder mergeFunctionCall(com.mysql.cj.x.protobuf.MysqlxExpr.FunctionCall value) {
        if (functionCallBuilder_ == null) {
          if (((bitField0_ & 0x00000010) != 0) &&
            functionCall_ != null &&
            functionCall_ != com.mysql.cj.x.protobuf.MysqlxExpr.FunctionCall.getDefaultInstance()) {
            getFunctionCallBuilder().mergeFrom(value);
          } else {
            functionCall_ = value;
          }
        } else {
          functionCallBuilder_.mergeFrom(value);
        }
        if (functionCall_ != null) {
          bitField0_ |= 0x00000010;
          onChanged();
        }
        return this;
      }
      /**
       * <code>optional .Mysqlx.Expr.FunctionCall function_call = 5;</code>
       */
      public Builder clearFunctionCall() {
        bitField0_ = (bitField0_ & ~0x00000010);
        functionCall_ = null;
        if (functionCallBuilder_ != null) {
          functionCallBuilder_.dispose();
          functionCallBuilder_ = null;
        }
        onChanged();
        return this;
      }
      /**
       * <code>optional .Mysqlx.Expr.FunctionCall function_call = 5;</code>
       */
      public com.mysql.cj.x.protobuf.MysqlxExpr.FunctionCall.Builder getFunctionCallBuilder() {
        bitField0_ |= 0x00000010;
        onChanged();
        return internalGetFunctionCallFieldBuilder().getBuilder();
      }
      /**
       * <code>optional .Mysqlx.Expr.FunctionCall function_call = 5;</code>
       */
      public com.mysql.cj.x.protobuf.MysqlxExpr.FunctionCallOrBuilder getFunctionCallOrBuilder() {
        if (functionCallBuilder_ != null) {
          return functionCallBuilder_.getMessageOrBuilder();
        } else {
          return functionCall_ == null ?
              com.mysql.cj.x.protobuf.MysqlxExpr.FunctionCall.getDefaultInstance() : functionCall_;
        }
      }
      /**
       * <code>optional .Mysqlx.Expr.FunctionCall function_call = 5;</code>
       */
      private com.google.protobuf.SingleFieldBuilder<
          com.mysql.cj.x.protobuf.MysqlxExpr.FunctionCall, com.mysql.cj.x.protobuf.MysqlxExpr.FunctionCall.Builder, com.mysql.cj.x.protobuf.MysqlxExpr.FunctionCallOrBuilder> 
          internalGetFunctionCallFieldBuilder() {
        if (functionCallBuilder_ == null) {
          functionCallBuilder_ = new com.google.protobuf.SingleFieldBuilder<
              com.mysql.cj.x.protobuf.MysqlxExpr.FunctionCall, com.mysql.cj.x.protobuf.MysqlxExpr.FunctionCall.Builder, com.mysql.cj.x.protobuf.MysqlxExpr.FunctionCallOrBuilder>(
                  getFunctionCall(),
                  getParentForChildren(),
                  isClean());
          functionCall_ = null;
        }
        return functionCallBuilder_;
      }

      private com.mysql.cj.x.protobuf.MysqlxExpr.Operator operator_;
      private com.google.protobuf.SingleFieldBuilder<
          com.mysql.cj.x.protobuf.MysqlxExpr.Operator, com.mysql.cj.x.protobuf.MysqlxExpr.Operator.Builder, com.mysql.cj.x.protobuf.MysqlxExpr.OperatorOrBuilder> operatorBuilder_;
      /**
       * <code>optional .Mysqlx.Expr.Operator operator = 6;</code>
       * @return Whether the operator field is set.
       */
      public boolean hasOperator() {
        return ((bitField0_ & 0x00000020) != 0);
      }
      /**
       * <code>optional .Mysqlx.Expr.Operator operator = 6;</code>
       * @return The operator.
       */
      public com.mysql.cj.x.protobuf.MysqlxExpr.Operator getOperator() {
        if (operatorBuilder_ == null) {
          return operator_ == null ? com.mysql.cj.x.protobuf.MysqlxExpr.Operator.getDefaultInstance() : operator_;
        } else {
          return operatorBuilder_.getMessage();
        }
      }
      /**
       * <code>optional .Mysqlx.Expr.Operator operator = 6;</code>
       */
      public Builder setOperator(com.mysql.cj.x.protobuf.MysqlxExpr.Operator value) {
        if (operatorBuilder_ == null) {
          if (value == null) {
            throw new NullPointerException();
          }
          operator_ = value;
        } else {
          operatorBuilder_.setMessage(value);
        }
        bitField0_ |= 0x00000020;
        onChanged();
        return this;
      }
      /**
       * <code>optional .Mysqlx.Expr.Operator operator = 6;</code>
       */
      public Builder setOperator(
          com.mysql.cj.x.protobuf.MysqlxExpr.Operator.Builder builderForValue) {
        if (operatorBuilder_ == null) {
          operator_ = builderForValue.build();
        } else {
          operatorBuilder_.setMessage(builderForValue.build());
        }
        bitField0_ |= 0x00000020;
        onChanged();
        return this;
      }
      /**
       * <code>optional .Mysqlx.Expr.Operator operator = 6;</code>
       */
      public Builder mergeOperator(com.mysql.cj.x.protobuf.MysqlxExpr.Operator value) {
        if (operatorBuilder_ == null) {
          if (((bitField0_ & 0x00000020) != 0) &&
            operator_ != null &&
            operator_ != com.mysql.cj.x.protobuf.MysqlxExpr.Operator.getDefaultInstance()) {
            getOperatorBuilder().mergeFrom(value);
          } else {
            operator_ = value;
          }
        } else {
          operatorBuilder_.mergeFrom(value);
        }
        if (operator_ != null) {
          bitField0_ |= 0x00000020;
          onChanged();
        }
        return this;
      }
      /**
       * <code>optional .Mysqlx.Expr.Operator operator = 6;</code>
       */
      public Builder clearOperator() {
        bitField0_ = (bitField0_ & ~0x00000020);
        operator_ = null;
        if (operatorBuilder_ != null) {
          operatorBuilder_.dispose();
          operatorBuilder_ = null;
        }
        onChanged();
        return this;
      }
      /**
       * <code>optional .Mysqlx.Expr.Operator operator = 6;</code>
       */
      public com.mysql.cj.x.protobuf.MysqlxExpr.Operator.Builder getOperatorBuilder() {
        bitField0_ |= 0x00000020;
        onChanged();
        return internalGetOperatorFieldBuilder().getBuilder();
      }
      /**
       * <code>optional .Mysqlx.Expr.Operator operator = 6;</code>
       */
      public com.mysql.cj.x.protobuf.MysqlxExpr.OperatorOrBuilder getOperatorOrBuilder() {
        if (operatorBuilder_ != null) {
          return operatorBuilder_.getMessageOrBuilder();
        } else {
          return operator_ == null ?
              com.mysql.cj.x.protobuf.MysqlxExpr.Operator.getDefaultInstance() : operator_;
        }
      }
      /**
       * <code>optional .Mysqlx.Expr.Operator operator = 6;</code>
       */
      private com.google.protobuf.SingleFieldBuilder<
          com.mysql.cj.x.protobuf.MysqlxExpr.Operator, com.mysql.cj.x.protobuf.MysqlxExpr.Operator.Builder, com.mysql.cj.x.protobuf.MysqlxExpr.OperatorOrBuilder> 
          internalGetOperatorFieldBuilder() {
        if (operatorBuilder_ == null) {
          operatorBuilder_ = new com.google.protobuf.SingleFieldBuilder<
              com.mysql.cj.x.protobuf.MysqlxExpr.Operator, com.mysql.cj.x.protobuf.MysqlxExpr.Operator.Builder, com.mysql.cj.x.protobuf.MysqlxExpr.OperatorOrBuilder>(
                  getOperator(),
                  getParentForChildren(),
                  isClean());
          operator_ = null;
        }
        return operatorBuilder_;
      }

      private int position_ ;
      /**
       * <code>optional uint32 position = 7;</code>
       * @return Whether the position field is set.
       */
      @java.lang.Override
      public boolean hasPosition() {
        return ((bitField0_ & 0x00000040) != 0);
      }
      /**
       * <code>optional uint32 position = 7;</code>
       * @return The position.
       */
      @java.lang.Override
      public int getPosition() {
        return position_;
      }
      /**
       * <code>optional uint32 position = 7;</code>
       * @param value The position to set.
       * @return This builder for chaining.
       */
      public Builder setPosition(int value) {

        position_ = value;
        bitField0_ |= 0x00000040;
        onChanged();
        return this;
      }
      /**
       * <code>optional uint32 position = 7;</code>
       * @return This builder for chaining.
       */
      public Builder clearPosition() {
        bitField0_ = (bitField0_ & ~0x00000040);
        position_ = 0;
        onChanged();
        return this;
      }

      private com.mysql.cj.x.protobuf.MysqlxExpr.Object object_;
      private com.google.protobuf.SingleFieldBuilder<
          com.mysql.cj.x.protobuf.MysqlxExpr.Object, com.mysql.cj.x.protobuf.MysqlxExpr.Object.Builder, com.mysql.cj.x.protobuf.MysqlxExpr.ObjectOrBuilder> objectBuilder_;
      /**
       * <code>optional .Mysqlx.Expr.Object object = 8;</code>
       * @return Whether the object field is set.
       */
      public boolean hasObject() {
        return ((bitField0_ & 0x00000080) != 0);
      }
      /**
       * <code>optional .Mysqlx.Expr.Object object = 8;</code>
       * @return The object.
       */
      public com.mysql.cj.x.protobuf.MysqlxExpr.Object getObject() {
        if (objectBuilder_ == null) {
          return object_ == null ? com.mysql.cj.x.protobuf.MysqlxExpr.Object.getDefaultInstance() : object_;
        } else {
          return objectBuilder_.getMessage();
        }
      }
      /**
       * <code>optional .Mysqlx.Expr.Object object = 8;</code>
       */
      public Builder setObject(com.mysql.cj.x.protobuf.MysqlxExpr.Object value) {
        if (objectBuilder_ == null) {
          if (value == null) {
            throw new NullPointerException();
          }
          object_ = value;
        } else {
          objectBuilder_.setMessage(value);
        }
        bitField0_ |= 0x00000080;
        onChanged();
        return this;
      }
      /**
       * <code>optional .Mysqlx.Expr.Object object = 8;</code>
       */
      public Builder setObject(
          com.mysql.cj.x.protobuf.MysqlxExpr.Object.Builder builderForValue) {
        if (objectBuilder_ == null) {
          object_ = builderForValue.build();
        } else {
          objectBuilder_.setMessage(builderForValue.build());
        }
        bitField0_ |= 0x00000080;
        onChanged();
        return this;
      }
      /**
       * <code>optional .Mysqlx.Expr.Object object = 8;</code>
       */
      public Builder mergeObject(com.mysql.cj.x.protobuf.MysqlxExpr.Object value) {
        if (objectBuilder_ == null) {
          if (((bitField0_ & 0x00000080) != 0) &&
            object_ != null &&
            object_ != com.mysql.cj.x.protobuf.MysqlxExpr.Object.getDefaultInstance()) {
            getObjectBuilder().mergeFrom(value);
          } else {
            object_ = value;
          }
        } else {
          objectBuilder_.mergeFrom(value);
        }
        if (object_ != null) {
          bitField0_ |= 0x00000080;
          onChanged();
        }
        return this;
      }
      /**
       * <code>optional .Mysqlx.Expr.Object object = 8;</code>
       */
      public Builder clearObject() {
        bitField0_ = (bitField0_ & ~0x00000080);
        object_ = null;
        if (objectBuilder_ != null) {
          objectBuilder_.dispose();
          objectBuilder_ = null;
        }
        onChanged();
        return this;
      }
      /**
       * <code>optional .Mysqlx.Expr.Object object = 8;</code>
       */
      public com.mysql.cj.x.protobuf.MysqlxExpr.Object.Builder getObjectBuilder() {
        bitField0_ |= 0x00000080;
        onChanged();
        return internalGetObjectFieldBuilder().getBuilder();
      }
      /**
       * <code>optional .Mysqlx.Expr.Object object = 8;</code>
       */
      public com.mysql.cj.x.protobuf.MysqlxExpr.ObjectOrBuilder getObjectOrBuilder() {
        if (objectBuilder_ != null) {
          return objectBuilder_.getMessageOrBuilder();
        } else {
          return object_ == null ?
              com.mysql.cj.x.protobuf.MysqlxExpr.Object.getDefaultInstance() : object_;
        }
      }
      /**
       * <code>optional .Mysqlx.Expr.Object object = 8;</code>
       */
      private com.google.protobuf.SingleFieldBuilder<
          com.mysql.cj.x.protobuf.MysqlxExpr.Object, com.mysql.cj.x.protobuf.MysqlxExpr.Object.Builder, com.mysql.cj.x.protobuf.MysqlxExpr.ObjectOrBuilder> 
          internalGetObjectFieldBuilder() {
        if (objectBuilder_ == null) {
          objectBuilder_ = new com.google.protobuf.SingleFieldBuilder<
              com.mysql.cj.x.protobuf.MysqlxExpr.Object, com.mysql.cj.x.protobuf.MysqlxExpr.Object.Builder, com.mysql.cj.x.protobuf.MysqlxExpr.ObjectOrBuilder>(
                  getObject(),
                  getParentForChildren(),
                  isClean());
          object_ = null;
        }
        return objectBuilder_;
      }

      private com.mysql.cj.x.protobuf.MysqlxExpr.Array array_;
      private com.google.protobuf.SingleFieldBuilder<
          com.mysql.cj.x.protobuf.MysqlxExpr.Array, com.mysql.cj.x.protobuf.MysqlxExpr.Array.Builder, com.mysql.cj.x.protobuf.MysqlxExpr.ArrayOrBuilder> arrayBuilder_;
      /**
       * <code>optional .Mysqlx.Expr.Array array = 9;</code>
       * @return Whether the array field is set.
       */
      public boolean hasArray() {
        return ((bitField0_ & 0x00000100) != 0);
      }
      /**
       * <code>optional .Mysqlx.Expr.Array array = 9;</code>
       * @return The array.
       */
      public com.mysql.cj.x.protobuf.MysqlxExpr.Array getArray() {
        if (arrayBuilder_ == null) {
          return array_ == null ? com.mysql.cj.x.protobuf.MysqlxExpr.Array.getDefaultInstance() : array_;
        } else {
          return arrayBuilder_.getMessage();
        }
      }
      /**
       * <code>optional .Mysqlx.Expr.Array array = 9;</code>
       */
      public Builder setArray(com.mysql.cj.x.protobuf.MysqlxExpr.Array value) {
        if (arrayBuilder_ == null) {
          if (value == null) {
            throw new NullPointerException();
          }
          array_ = value;
        } else {
          arrayBuilder_.setMessage(value);
        }
        bitField0_ |= 0x00000100;
        onChanged();
        return this;
      }
      /**
       * <code>optional .Mysqlx.Expr.Array array = 9;</code>
       */
      public Builder setArray(
          com.mysql.cj.x.protobuf.MysqlxExpr.Array.Builder builderForValue) {
        if (arrayBuilder_ == null) {
          array_ = builderForValue.build();
        } else {
          arrayBuilder_.setMessage(builderForValue.build());
        }
        bitField0_ |= 0x00000100;
        onChanged();
        return this;
      }
      /**
       * <code>optional .Mysqlx.Expr.Array array = 9;</code>
       */
      public Builder mergeArray(com.mysql.cj.x.protobuf.MysqlxExpr.Array value) {
        if (arrayBuilder_ == null) {
          if (((bitField0_ & 0x00000100) != 0) &&
            array_ != null &&
            array_ != com.mysql.cj.x.protobuf.MysqlxExpr.Array.getDefaultInstance()) {
            getArrayBuilder().mergeFrom(value);
          } else {
            array_ = value;
          }
        } else {
          arrayBuilder_.mergeFrom(value);
        }
        if (array_ != null) {
          bitField0_ |= 0x00000100;
          onChanged();
        }
        return this;
      }
      /**
       * <code>optional .Mysqlx.Expr.Array array = 9;</code>
       */
      public Builder clearArray() {
        bitField0_ = (bitField0_ & ~0x00000100);
        array_ = null;
        if (arrayBuilder_ != null) {
          arrayBuilder_.dispose();
          arrayBuilder_ = null;
        }
        onChanged();
        return this;
      }
      /**
       * <code>optional .Mysqlx.Expr.Array array = 9;</code>
       */
      public com.mysql.cj.x.protobuf.MysqlxExpr.Array.Builder getArrayBuilder() {
        bitField0_ |= 0x00000100;
        onChanged();
        return internalGetArrayFieldBuilder().getBuilder();
      }
      /**
       * <code>optional .Mysqlx.Expr.Array array = 9;</code>
       */
      public com.mysql.cj.x.protobuf.MysqlxExpr.ArrayOrBuilder getArrayOrBuilder() {
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                  mergeUnknownVarintField(1, tmpRaw);
                } else {
                  type_ = tmpRaw;
                  bitField0_ |= 0x00000001;
                }
                break;
              } // case 8
              case 18: {
                value_ = input.readBytes();
                bitField0_ |= 0x00000002;
                break;
              } // case 18
              case 24: {
                index_ = input.readUInt32();
                bitField0_ |= 0x00000004;
                break;
              } // case 24
              default: {
                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
                  done = true; // was an endgroup tag
                }
                break;
              } // default:
            } // switch (tag)
          } // while (!done)
        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
          throw e.unwrapIOException();
        } finally {
          onChanged();
        } // finally
        return this;
      }
      private int bitField0_;

      private int type_ = 1;
      /**
       * <code>required .Mysqlx.Expr.DocumentPathItem.Type type = 1;</code>
       * @return Whether the type field is set.
       */
      @java.lang.Override public boolean hasType() {
        return ((bitField0_ & 0x00000001) != 0);
      }
      /**
       * <code>required .Mysqlx.Expr.DocumentPathItem.Type type = 1;</code>
       * @return The type.
       */
      @java.lang.Override
      public com.mysql.cj.x.protobuf.MysqlxExpr.DocumentPathItem.Type getType() {
        com.mysql.cj.x.protobuf.MysqlxExpr.DocumentPathItem.Type result = com.mysql.cj.x.protobuf.MysqlxExpr.DocumentPathItem.Type.forNumber(type_);
        return result == null ? com.mysql.cj.x.protobuf.MysqlxExpr.DocumentPathItem.Type.MEMBER : result;
      }
      /**
       * <code>required .Mysqlx.Expr.DocumentPathItem.Type type = 1;</code>
       * @param value The type to set.
       * @return This builder for chaining.
       */
      public Builder setType(com.mysql.cj.x.protobuf.MysqlxExpr.DocumentPathItem.Type value) {
        if (value == null) { throw new NullPointerException(); }
        bitField0_ |= 0x00000001;
        type_ = value.getNumber();
        onChanged();
        return this;
      }
      /**
       * <code>required .Mysqlx.Expr.DocumentPathItem.Type type = 1;</code>
       * @return This builder for chaining.
       */
      public Builder clearType() {
        bitField0_ = (bitField0_ & ~0x00000001);
        type_ = 1;
        onChanged();
        return this;
      }

      private java.lang.Object value_ = "";
      /**
       * <code>optional string value = 2;</code>
       * @return Whether the value field is set.
       */
      public boolean hasValue() {
        return ((bitField0_ & 0x00000002) != 0);
      }
      /**
       * <code>optional string value = 2;</code>
       * @return The value.
       */
      public java.lang.String getValue() {
        java.lang.Object ref = value_;
        if (!(ref instanceof java.lang.String)) {
          com.google.protobuf.ByteString bs =
              (com.google.protobuf.ByteString) ref;
          java.lang.String s = bs.toStringUtf8();
          if (bs.isValidUtf8()) {
            value_ = s;
          }
          return s;
        } else {
          return (java.lang.String) ref;
        }
      }
      /**
       * <code>optional string value = 2;</code>
       * @return The bytes for value.
       */
      public com.google.protobuf.ByteString
          getValueBytes() {
        java.lang.Object ref = value_;
        if (ref instanceof String) {
          com.google.protobuf.ByteString b = 
              com.google.protobuf.ByteString.copyFromUtf8(
                  (java.lang.String) ref);
          value_ = b;
          return b;
        } else {
          return (com.google.protobuf.ByteString) ref;
        }
      }
      /**
       * <code>optional string value = 2;</code>
       * @param value The value to set.
       * @return This builder for chaining.
       */
      public Builder setValue(
          java.lang.String value) {
        if (value == null) { throw new NullPointerException(); }
        value_ = value;
        bitField0_ |= 0x00000002;
        onChanged();
        return this;
      }
      /**
       * <code>optional string value = 2;</code>
       * @return This builder for chaining.
       */
      public Builder clearValue() {
        value_ = getDefaultInstance().getValue();
        bitField0_ = (bitField0_ & ~0x00000002);
        onChanged();
        return this;
      }
      /**
       * <code>optional string value = 2;</code>
       * @param value The bytes for value to set.
       * @return This builder for chaining.
       */
      public Builder setValueBytes(
          com.google.protobuf.ByteString value) {
        if (value == null) { throw new NullPointerException(); }
        value_ = value;
        bitField0_ |= 0x00000002;
        onChanged();
        return this;
      }

      private int index_ ;
      /**
       * <pre>
       * * used in case of ARRY_INDEX 
       * </pre>
       *
       * <code>optional uint32 index = 3;</code>
       * @return Whether the index field is set.
       */
      @java.lang.Override
      public boolean hasIndex() {
        return ((bitField0_ & 0x00000004) != 0);
      }
      /**
       * <pre>
       * * used in case of ARRY_INDEX 
       * </pre>
       *
       * <code>optional uint32 index = 3;</code>
       * @return The index.
       */
      @java.lang.Override
      public int getIndex() {
        return index_;
      }
      /**
       * <pre>
       * * used in case of ARRY_INDEX 
       * </pre>
       *
       * <code>optional uint32 index = 3;</code>
       * @param value The index to set.
       * @return This builder for chaining.
       */
      public Builder setIndex(int value) {

        index_ = value;
        bitField0_ |= 0x00000004;
        onChanged();
        return this;
      }
      /**
       * <pre>
       * * used in case of ARRY_INDEX 
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       *
       * <code>optional uint32 index = 3;</code>
       * @return This builder for chaining.
       */
      public Builder clearIndex() {
        bitField0_ = (bitField0_ & ~0x00000004);
        index_ = 0;
        onChanged();
        return this;
      }

      // @@protoc_insertion_point(builder_scope:Mysqlx.Expr.DocumentPathItem)
    }

    // @@protoc_insertion_point(class_scope:Mysqlx.Expr.DocumentPathItem)
    private static final com.mysql.cj.x.protobuf.MysqlxExpr.DocumentPathItem DEFAULT_INSTANCE;
    static {
      DEFAULT_INSTANCE = new com.mysql.cj.x.protobuf.MysqlxExpr.DocumentPathItem();
    }

    public static com.mysql.cj.x.protobuf.MysqlxExpr.DocumentPathItem getDefaultInstance() {
      return DEFAULT_INSTANCE;
    }

    private static final com.google.protobuf.Parser<DocumentPathItem>
        PARSER = new com.google.protobuf.AbstractParser<DocumentPathItem>() {
      @java.lang.Override
      public DocumentPathItem parsePartialFrom(
          com.google.protobuf.CodedInputStream input,
          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
          throws com.google.protobuf.InvalidProtocolBufferException {
        Builder builder = newBuilder();
        try {
          builder.mergeFrom(input, extensionRegistry);
        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
          throw e.setUnfinishedMessage(builder.buildPartial());
        } catch (com.google.protobuf.UninitializedMessageException e) {
          throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
        } catch (java.io.IOException e) {
          throw new com.google.protobuf.InvalidProtocolBufferException(e)
              .setUnfinishedMessage(builder.buildPartial());
        }
        return builder.buildPartial();
      }
    };

    public static com.google.protobuf.Parser<DocumentPathItem> parser() {
      return PARSER;
    }

    @java.lang.Override
    public com.google.protobuf.Parser<DocumentPathItem> getParserForType() {
      return PARSER;
    }

    @java.lang.Override
    public com.mysql.cj.x.protobuf.MysqlxExpr.DocumentPathItem getDefaultInstanceForType() {
      return DEFAULT_INSTANCE;
    }

  }

  public interface ColumnIdentifierOrBuilder extends
      // @@protoc_insertion_point(interface_extends:Mysqlx.Expr.ColumnIdentifier)
      com.google.protobuf.MessageOrBuilder {

    /**
     * <pre>
     * * document path 
     * </pre>
     *
     * <code>repeated .Mysqlx.Expr.DocumentPathItem document_path = 1;</code>
     */
    java.util.List<com.mysql.cj.x.protobuf.MysqlxExpr.DocumentPathItem> 
        getDocumentPathList();
    /**
     * <pre>
     * * document path 
     * </pre>
     *
     * <code>repeated .Mysqlx.Expr.DocumentPathItem document_path = 1;</code>
     */
    com.mysql.cj.x.protobuf.MysqlxExpr.DocumentPathItem getDocumentPath(int index);
    /**
     * <pre>
     * * document path 
     * </pre>
     *
     * <code>repeated .Mysqlx.Expr.DocumentPathItem document_path = 1;</code>
     */
    int getDocumentPathCount();
    /**
     * <pre>
     * * document path 
     * </pre>
     *
     * <code>repeated .Mysqlx.Expr.DocumentPathItem document_path = 1;</code>
     */
    java.util.List<? extends com.mysql.cj.x.protobuf.MysqlxExpr.DocumentPathItemOrBuilder> 
        getDocumentPathOrBuilderList();
    /**
     * <pre>
     * * document path 
     * </pre>
     *
     * <code>repeated .Mysqlx.Expr.DocumentPathItem document_path = 1;</code>
     */
    com.mysql.cj.x.protobuf.MysqlxExpr.DocumentPathItemOrBuilder getDocumentPathOrBuilder(
        int index);

    /**
     * <pre>
     * * name of column 
     * </pre>
     *
     * <code>optional string name = 2;</code>
     * @return Whether the name field is set.
     */
    boolean hasName();
    /**
     * <pre>
     * * name of column 
     * </pre>
     *
     * <code>optional string name = 2;</code>
     * @return The name.
     */
    java.lang.String getName();
    /**
     * <pre>
     * * name of column 
     * </pre>
     *
     * <code>optional string name = 2;</code>
     * @return The bytes for name.
     */
    com.google.protobuf.ByteString
        getNameBytes();

    /**
     * <pre>
     * * name of table 
     * </pre>
     *
     * <code>optional string table_name = 3;</code>
     * @return Whether the tableName field is set.
     */
    boolean hasTableName();
    /**
     * <pre>
     * * name of table 
     * </pre>
     *
     * <code>optional string table_name = 3;</code>
     * @return The tableName.
     */
    java.lang.String getTableName();
    /**
     * <pre>
     * * name of table 
     * </pre>
     *
     * <code>optional string table_name = 3;</code>
     * @return The bytes for tableName.
     */
    com.google.protobuf.ByteString
        getTableNameBytes();

    /**
     * <pre>
     * * name of schema 
     * </pre>
     *
     * <code>optional string schema_name = 4;</code>
     * @return Whether the schemaName field is set.
     */
    boolean hasSchemaName();
    /**
     * <pre>
     * * name of schema 
     * </pre>
     *
     * <code>optional string schema_name = 4;</code>
     * @return The schemaName.
     */
    java.lang.String getSchemaName();
    /**
     * <pre>
     * * name of schema 
     * </pre>
     *
     * <code>optional string schema_name = 4;</code>
     * @return The bytes for schemaName.
     */
    com.google.protobuf.ByteString
        getSchemaNameBytes();
  }
  /**
   * <pre>
   * *
   * Column identifier
   *
   * for table: col&#92;&#64;doc_path, tbl.col&#92;&#64;doc_path col, tbl.col, schema.tbl.col
   * for document collection: doc_path
   * //
   * &#64;par production list
   * &#64;code{unparsed}
   * col_identifier: string "." string "." string |
   * : string "." string |
   * : string |
   * : string "." string "." string "&#64;" document_path |
   * : string "." string "&#64;" document_path |
   * : string "&#64;" document_path |
   * : document_path
   * document_path: member | arrayLocation | doubleAsterisk
   * member = "." string | "." "*"
   * arrayLocation = "[" index "]" | "[" "*" "]"
   * doubleAsterisk = "**"
   * &#64;endcode
   * </pre>
   *
   * Protobuf type {@code Mysqlx.Expr.ColumnIdentifier}
   */
  public static final class ColumnIdentifier extends
      com.google.protobuf.GeneratedMessage implements
      // @@protoc_insertion_point(message_implements:Mysqlx.Expr.ColumnIdentifier)
      ColumnIdentifierOrBuilder {
  private static final long serialVersionUID = 0L;
    static {
      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
        /* major= */ 4,
        /* minor= */ 31,
        /* patch= */ 1,
        /* suffix= */ "",
        ColumnIdentifier.class.getName());
    }
    // Use ColumnIdentifier.newBuilder() to construct.
    private ColumnIdentifier(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
      super(builder);
    }
    private ColumnIdentifier() {
      documentPath_ = java.util.Collections.emptyList();
      name_ = "";
      tableName_ = "";
      schemaName_ = "";
    }

    public static final com.google.protobuf.Descriptors.Descriptor
        getDescriptor() {
      return com.mysql.cj.x.protobuf.MysqlxExpr.internal_static_Mysqlx_Expr_ColumnIdentifier_descriptor;
    }

    @java.lang.Override
    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
        internalGetFieldAccessorTable() {
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          .ensureFieldAccessorsInitialized(
              com.mysql.cj.x.protobuf.MysqlxExpr.ColumnIdentifier.class, com.mysql.cj.x.protobuf.MysqlxExpr.ColumnIdentifier.Builder.class);
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    private int bitField0_;
    public static final int DOCUMENT_PATH_FIELD_NUMBER = 1;
    @SuppressWarnings("serial")
    private java.util.List<com.mysql.cj.x.protobuf.MysqlxExpr.DocumentPathItem> documentPath_;
    /**
     * <pre>
     * * document path 
     * </pre>
     *
     * <code>repeated .Mysqlx.Expr.DocumentPathItem document_path = 1;</code>
     */
    @java.lang.Override
    public java.util.List<com.mysql.cj.x.protobuf.MysqlxExpr.DocumentPathItem> getDocumentPathList() {
      return documentPath_;
    }
    /**
     * <pre>
     * * document path 
     * </pre>
     *
     * <code>repeated .Mysqlx.Expr.DocumentPathItem document_path = 1;</code>
     */
    @java.lang.Override
    public java.util.List<? extends com.mysql.cj.x.protobuf.MysqlxExpr.DocumentPathItemOrBuilder> 
        getDocumentPathOrBuilderList() {
      return documentPath_;
    }
    /**
     * <pre>
     * * document path 
     * </pre>
     *
     * <code>repeated .Mysqlx.Expr.DocumentPathItem document_path = 1;</code>
     */
    @java.lang.Override
    public int getDocumentPathCount() {
      return documentPath_.size();
    }
    /**
     * <pre>
     * * document path 
     * </pre>
     *
     * <code>repeated .Mysqlx.Expr.DocumentPathItem document_path = 1;</code>
     */
    @java.lang.Override
    public com.mysql.cj.x.protobuf.MysqlxExpr.DocumentPathItem getDocumentPath(int index) {
      return documentPath_.get(index);
    }
    /**
     * <pre>
     * * document path 
     * </pre>
     *
     * <code>repeated .Mysqlx.Expr.DocumentPathItem document_path = 1;</code>
     */
    @java.lang.Override
    public com.mysql.cj.x.protobuf.MysqlxExpr.DocumentPathItemOrBuilder getDocumentPathOrBuilder(
        int index) {
      return documentPath_.get(index);
    }

    public static final int NAME_FIELD_NUMBER = 2;
    @SuppressWarnings("serial")
    private volatile java.lang.Object name_ = "";
    /**
     * <pre>
     * * name of column 
     * </pre>
     *
     * <code>optional string name = 2;</code>
     * @return Whether the name field is set.
     */
    @java.lang.Override
    public boolean hasName() {
      return ((bitField0_ & 0x00000001) != 0);
    }
    /**
     * <pre>
     * * name of column 
     * </pre>
     *
     * <code>optional string name = 2;</code>
     * @return The name.
     */
    @java.lang.Override
    public java.lang.String getName() {
      java.lang.Object ref = name_;
      if (ref instanceof java.lang.String) {
        return (java.lang.String) ref;
      } else {
        com.google.protobuf.ByteString bs = 
            (com.google.protobuf.ByteString) ref;
        java.lang.String s = bs.toStringUtf8();
        if (bs.isValidUtf8()) {
          name_ = s;
        }
        return s;
      }
    }
    /**
     * <pre>
     * * name of column 
     * </pre>
     *
     * <code>optional string name = 2;</code>
     * @return The bytes for name.
     */
    @java.lang.Override
    public com.google.protobuf.ByteString
        getNameBytes() {
      java.lang.Object ref = name_;
      if (ref instanceof java.lang.String) {
        com.google.protobuf.ByteString b = 
            com.google.protobuf.ByteString.copyFromUtf8(
                (java.lang.String) ref);
        name_ = b;
        return b;
      } else {
        return (com.google.protobuf.ByteString) ref;
      }
    }

    public static final int TABLE_NAME_FIELD_NUMBER = 3;
    @SuppressWarnings("serial")
    private volatile java.lang.Object tableName_ = "";
    /**
     * <pre>
     * * name of table 
     * </pre>
     *
     * <code>optional string table_name = 3;</code>
     * @return Whether the tableName field is set.
     */
    @java.lang.Override
    public boolean hasTableName() {
      return ((bitField0_ & 0x00000002) != 0);
    }
    /**
     * <pre>
     * * name of table 
     * </pre>
     *
     * <code>optional string table_name = 3;</code>
     * @return The tableName.
     */
    @java.lang.Override
    public java.lang.String getTableName() {
      java.lang.Object ref = tableName_;
      if (ref instanceof java.lang.String) {
        return (java.lang.String) ref;
      } else {
        com.google.protobuf.ByteString bs = 
            (com.google.protobuf.ByteString) ref;
        java.lang.String s = bs.toStringUtf8();
        if (bs.isValidUtf8()) {
          tableName_ = s;
        }
        return s;
      }
    }
    /**
     * <pre>
     * * name of table 
     * </pre>
     *
     * <code>optional string table_name = 3;</code>
     * @return The bytes for tableName.
     */
    @java.lang.Override
    public com.google.protobuf.ByteString
        getTableNameBytes() {
      java.lang.Object ref = tableName_;
      if (ref instanceof java.lang.String) {
        com.google.protobuf.ByteString b = 
            com.google.protobuf.ByteString.copyFromUtf8(
                (java.lang.String) ref);
        tableName_ = b;
        return b;
      } else {
        return (com.google.protobuf.ByteString) ref;
      }
    }

    public static final int SCHEMA_NAME_FIELD_NUMBER = 4;
    @SuppressWarnings("serial")
    private volatile java.lang.Object schemaName_ = "";
    /**
     * <pre>
     * * name of schema 
     * </pre>
     *
     * <code>optional string schema_name = 4;</code>
     * @return Whether the schemaName field is set.
     */
    @java.lang.Override
    public boolean hasSchemaName() {
      return ((bitField0_ & 0x00000004) != 0);
    }
    /**
     * <pre>
     * * name of schema 
     * </pre>
     *
     * <code>optional string schema_name = 4;</code>
     * @return The schemaName.
     */
    @java.lang.Override
    public java.lang.String getSchemaName() {
      java.lang.Object ref = schemaName_;
      if (ref instanceof java.lang.String) {
        return (java.lang.String) ref;
      } else {
        com.google.protobuf.ByteString bs = 
            (com.google.protobuf.ByteString) ref;
        java.lang.String s = bs.toStringUtf8();
        if (bs.isValidUtf8()) {
          schemaName_ = s;
        }
        return s;
      }
    }
    /**
     * <pre>
     * * name of schema 
     * </pre>
     *
     * <code>optional string schema_name = 4;</code>
     * @return The bytes for schemaName.
     */
    @java.lang.Override
    public com.google.protobuf.ByteString
        getSchemaNameBytes() {
      java.lang.Object ref = schemaName_;
      if (ref instanceof java.lang.String) {
        com.google.protobuf.ByteString b = 
            com.google.protobuf.ByteString.copyFromUtf8(
                (java.lang.String) ref);
        schemaName_ = b;
        return b;
      } else {
        return (com.google.protobuf.ByteString) ref;
      }
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    private byte memoizedIsInitialized = -1;
    @java.lang.Override
    public final boolean isInitialized() {
      byte isInitialized = memoizedIsInitialized;
      if (isInitialized == 1) return true;
      if (isInitialized == 0) return false;

      for (int i = 0; i < getDocumentPathCount(); i++) {
        if (!getDocumentPath(i).isInitialized()) {
          memoizedIsInitialized = 0;
          return false;
        }
      }
      memoizedIsInitialized = 1;
      return true;
    }

    @java.lang.Override
    public void writeTo(com.google.protobuf.CodedOutputStream output)
                        throws java.io.IOException {
      for (int i = 0; i < documentPath_.size(); i++) {
        output.writeMessage(1, documentPath_.get(i));
      }
      if (((bitField0_ & 0x00000001) != 0)) {
        com.google.protobuf.GeneratedMessage.writeString(output, 2, name_);
      }
      if (((bitField0_ & 0x00000002) != 0)) {
        com.google.protobuf.GeneratedMessage.writeString(output, 3, tableName_);
      }
      if (((bitField0_ & 0x00000004) != 0)) {
        com.google.protobuf.GeneratedMessage.writeString(output, 4, schemaName_);
      }
      getUnknownFields().writeTo(output);
    }

    @java.lang.Override
    public int getSerializedSize() {
      int size = memoizedSize;
      if (size != -1) return size;

      size = 0;
      for (int i = 0; i < documentPath_.size(); i++) {
        size += com.google.protobuf.CodedOutputStream
          .computeMessageSize(1, documentPath_.get(i));
      }
      if (((bitField0_ & 0x00000001) != 0)) {
        size += com.google.protobuf.GeneratedMessage.computeStringSize(2, name_);
      }
      if (((bitField0_ & 0x00000002) != 0)) {
        size += com.google.protobuf.GeneratedMessage.computeStringSize(3, tableName_);
      }
      if (((bitField0_ & 0x00000004) != 0)) {
        size += com.google.protobuf.GeneratedMessage.computeStringSize(4, schemaName_);
      }
      size += getUnknownFields().getSerializedSize();
      memoizedSize = size;
      return size;
    }

    @java.lang.Override
    public boolean equals(final java.lang.Object obj) {
      if (obj == this) {
       return true;
      }
      if (!(obj instanceof com.mysql.cj.x.protobuf.MysqlxExpr.ColumnIdentifier)) {
        return super.equals(obj);
      }
      com.mysql.cj.x.protobuf.MysqlxExpr.ColumnIdentifier other = (com.mysql.cj.x.protobuf.MysqlxExpr.ColumnIdentifier) obj;

      if (!getDocumentPathList()
          .equals(other.getDocumentPathList())) return false;
      if (hasName() != other.hasName()) return false;
      if (hasName()) {
        if (!getName()
            .equals(other.getName())) return false;
      }
      if (hasTableName() != other.hasTableName()) return false;
      if (hasTableName()) {
        if (!getTableName()
            .equals(other.getTableName())) return false;
      }
      if (hasSchemaName() != other.hasSchemaName()) return false;
      if (hasSchemaName()) {
        if (!getSchemaName()
            .equals(other.getSchemaName())) return false;
      }
      if (!getUnknownFields().equals(other.getUnknownFields())) return false;
      return true;
    }

    @java.lang.Override
    public int hashCode() {
      if (memoizedHashCode != 0) {
        return memoizedHashCode;
      }
      int hash = 41;
      hash = (19 * hash) + getDescriptor().hashCode();
      if (getDocumentPathCount() > 0) {
        hash = (37 * hash) + DOCUMENT_PATH_FIELD_NUMBER;
        hash = (53 * hash) + getDocumentPathList().hashCode();
      }
      if (hasName()) {
        hash = (37 * hash) + NAME_FIELD_NUMBER;
        hash = (53 * hash) + getName().hashCode();
      }
      if (hasTableName()) {
        hash = (37 * hash) + TABLE_NAME_FIELD_NUMBER;
        hash = (53 * hash) + getTableName().hashCode();
      }
      if (hasSchemaName()) {
        hash = (37 * hash) + SCHEMA_NAME_FIELD_NUMBER;
        hash = (53 * hash) + getSchemaName().hashCode();
      }
      hash = (29 * hash) + getUnknownFields().hashCode();
      memoizedHashCode = hash;
      return hash;
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      return PARSER.parseFrom(data);
    }
    public static com.mysql.cj.x.protobuf.MysqlxExpr.ColumnIdentifier parseFrom(
        java.nio.ByteBuffer data,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws com.google.protobuf.InvalidProtocolBufferException {
      return PARSER.parseFrom(data, extensionRegistry);
    }
    public static com.mysql.cj.x.protobuf.MysqlxExpr.ColumnIdentifier parseFrom(
        com.google.protobuf.ByteString data)
        throws com.google.protobuf.InvalidProtocolBufferException {
      return PARSER.parseFrom(data);
    }
    public static com.mysql.cj.x.protobuf.MysqlxExpr.ColumnIdentifier parseFrom(
        com.google.protobuf.ByteString data,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws com.google.protobuf.InvalidProtocolBufferException {
      return PARSER.parseFrom(data, extensionRegistry);
    }
    public static com.mysql.cj.x.protobuf.MysqlxExpr.ColumnIdentifier parseFrom(byte[] data)
        throws com.google.protobuf.InvalidProtocolBufferException {
      return PARSER.parseFrom(data);
    }
    public static com.mysql.cj.x.protobuf.MysqlxExpr.ColumnIdentifier parseFrom(
        byte[] data,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws com.google.protobuf.InvalidProtocolBufferException {
      return PARSER.parseFrom(data, extensionRegistry);
    }
    public static com.mysql.cj.x.protobuf.MysqlxExpr.ColumnIdentifier parseFrom(java.io.InputStream input)
        throws java.io.IOException {
      return com.google.protobuf.GeneratedMessage
          .parseWithIOException(PARSER, input);
    }
    public static com.mysql.cj.x.protobuf.MysqlxExpr.ColumnIdentifier parseFrom(
        java.io.InputStream input,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws java.io.IOException {
      return com.google.protobuf.GeneratedMessage
          .parseWithIOException(PARSER, input, extensionRegistry);
    }

    public static com.mysql.cj.x.protobuf.MysqlxExpr.ColumnIdentifier parseDelimitedFrom(java.io.InputStream input)
        throws java.io.IOException {
      return com.google.protobuf.GeneratedMessage
          .parseDelimitedWithIOException(PARSER, input);
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    public static com.mysql.cj.x.protobuf.MysqlxExpr.ColumnIdentifier parseDelimitedFrom(
        java.io.InputStream input,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws java.io.IOException {
      return com.google.protobuf.GeneratedMessage
          .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
    }
    public static com.mysql.cj.x.protobuf.MysqlxExpr.ColumnIdentifier parseFrom(
        com.google.protobuf.CodedInputStream input)
        throws java.io.IOException {
      return com.google.protobuf.GeneratedMessage
          .parseWithIOException(PARSER, input);
    }
    public static com.mysql.cj.x.protobuf.MysqlxExpr.ColumnIdentifier parseFrom(
        com.google.protobuf.CodedInputStream input,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws java.io.IOException {
      return com.google.protobuf.GeneratedMessage
          .parseWithIOException(PARSER, input, extensionRegistry);
    }

    @java.lang.Override
    public Builder newBuilderForType() { return newBuilder(); }
    public static Builder newBuilder() {
      return DEFAULT_INSTANCE.toBuilder();
    }
    public static Builder newBuilder(com.mysql.cj.x.protobuf.MysqlxExpr.ColumnIdentifier prototype) {
      return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
    }
    @java.lang.Override
    public Builder toBuilder() {
      return this == DEFAULT_INSTANCE
          ? new Builder() : new Builder().mergeFrom(this);
    }

    @java.lang.Override
    protected Builder newBuilderForType(
        com.google.protobuf.GeneratedMessage.BuilderParent parent) {
      Builder builder = new Builder(parent);
      return builder;
    }
    /**
     * <pre>
     * *
     * Column identifier
     *
     * for table: col&#92;&#64;doc_path, tbl.col&#92;&#64;doc_path col, tbl.col, schema.tbl.col
     * for document collection: doc_path
     * //
     * &#64;par production list
     * &#64;code{unparsed}
     * col_identifier: string "." string "." string |
     * : string "." string |
     * : string |
     * : string "." string "." string "&#64;" document_path |
     * : string "." string "&#64;" document_path |
     * : string "&#64;" document_path |
     * : document_path
     * document_path: member | arrayLocation | doubleAsterisk
     * member = "." string | "." "*"
     * arrayLocation = "[" index "]" | "[" "*" "]"
     * doubleAsterisk = "**"
     * &#64;endcode
     * </pre>
     *
     * Protobuf type {@code Mysqlx.Expr.ColumnIdentifier}
     */
    public static final class Builder extends
        com.google.protobuf.GeneratedMessage.Builder<Builder> implements
        // @@protoc_insertion_point(builder_implements:Mysqlx.Expr.ColumnIdentifier)
        com.mysql.cj.x.protobuf.MysqlxExpr.ColumnIdentifierOrBuilder {
      public static final com.google.protobuf.Descriptors.Descriptor
          getDescriptor() {
        return com.mysql.cj.x.protobuf.MysqlxExpr.internal_static_Mysqlx_Expr_ColumnIdentifier_descriptor;
      }

      @java.lang.Override
      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
          internalGetFieldAccessorTable() {
        return com.mysql.cj.x.protobuf.MysqlxExpr.internal_static_Mysqlx_Expr_ColumnIdentifier_fieldAccessorTable
            .ensureFieldAccessorsInitialized(
                com.mysql.cj.x.protobuf.MysqlxExpr.ColumnIdentifier.class, com.mysql.cj.x.protobuf.MysqlxExpr.ColumnIdentifier.Builder.class);
      }

      // Construct using com.mysql.cj.x.protobuf.MysqlxExpr.ColumnIdentifier.newBuilder()
      private Builder() {

      }

      private Builder(
          com.google.protobuf.GeneratedMessage.BuilderParent parent) {
        super(parent);

      }
      @java.lang.Override
      public Builder clear() {
        super.clear();
        bitField0_ = 0;
        if (documentPathBuilder_ == null) {
          documentPath_ = java.util.Collections.emptyList();
        } else {
          documentPath_ = null;
          documentPathBuilder_.clear();
        }
        bitField0_ = (bitField0_ & ~0x00000001);
        name_ = "";
        tableName_ = "";
        schemaName_ = "";
        return this;
      }

      @java.lang.Override
      public com.google.protobuf.Descriptors.Descriptor
          getDescriptorForType() {
        return com.mysql.cj.x.protobuf.MysqlxExpr.internal_static_Mysqlx_Expr_ColumnIdentifier_descriptor;
      }

      @java.lang.Override
      public com.mysql.cj.x.protobuf.MysqlxExpr.ColumnIdentifier getDefaultInstanceForType() {
        return com.mysql.cj.x.protobuf.MysqlxExpr.ColumnIdentifier.getDefaultInstance();
      }

      @java.lang.Override
      public com.mysql.cj.x.protobuf.MysqlxExpr.ColumnIdentifier build() {
        com.mysql.cj.x.protobuf.MysqlxExpr.ColumnIdentifier result = buildPartial();
        if (!result.isInitialized()) {
          throw newUninitializedMessageException(result);
        }
        return result;
      }

      @java.lang.Override
      public com.mysql.cj.x.protobuf.MysqlxExpr.ColumnIdentifier buildPartial() {
        com.mysql.cj.x.protobuf.MysqlxExpr.ColumnIdentifier result = new com.mysql.cj.x.protobuf.MysqlxExpr.ColumnIdentifier(this);
        buildPartialRepeatedFields(result);
        if (bitField0_ != 0) { buildPartial0(result); }
        onBuilt();
        return result;
      }

      private void buildPartialRepeatedFields(com.mysql.cj.x.protobuf.MysqlxExpr.ColumnIdentifier result) {
        if (documentPathBuilder_ == null) {
          if (((bitField0_ & 0x00000001) != 0)) {
            documentPath_ = java.util.Collections.unmodifiableList(documentPath_);
            bitField0_ = (bitField0_ & ~0x00000001);
          }
          result.documentPath_ = documentPath_;
        } else {
          result.documentPath_ = documentPathBuilder_.build();
        }
      }

      private void buildPartial0(com.mysql.cj.x.protobuf.MysqlxExpr.ColumnIdentifier result) {
        int from_bitField0_ = bitField0_;
        int to_bitField0_ = 0;
        if (((from_bitField0_ & 0x00000002) != 0)) {
          result.name_ = name_;
          to_bitField0_ |= 0x00000001;
        }
        if (((from_bitField0_ & 0x00000004) != 0)) {
          result.tableName_ = tableName_;
          to_bitField0_ |= 0x00000002;
        }
        if (((from_bitField0_ & 0x00000008) != 0)) {
          result.schemaName_ = schemaName_;
          to_bitField0_ |= 0x00000004;
        }
        result.bitField0_ |= to_bitField0_;
      }

      @java.lang.Override
      public Builder mergeFrom(com.google.protobuf.Message other) {
        if (other instanceof com.mysql.cj.x.protobuf.MysqlxExpr.ColumnIdentifier) {
          return mergeFrom((com.mysql.cj.x.protobuf.MysqlxExpr.ColumnIdentifier)other);
        } else {
          super.mergeFrom(other);
          return this;
        }
      }

      public Builder mergeFrom(com.mysql.cj.x.protobuf.MysqlxExpr.ColumnIdentifier other) {
        if (other == com.mysql.cj.x.protobuf.MysqlxExpr.ColumnIdentifier.getDefaultInstance()) return this;
        if (documentPathBuilder_ == null) {
          if (!other.documentPath_.isEmpty()) {
            if (documentPath_.isEmpty()) {
              documentPath_ = other.documentPath_;
              bitField0_ = (bitField0_ & ~0x00000001);
            } else {
              ensureDocumentPathIsMutable();
              documentPath_.addAll(other.documentPath_);
            }
            onChanged();
          }
        } else {
          if (!other.documentPath_.isEmpty()) {
            if (documentPathBuilder_.isEmpty()) {
              documentPathBuilder_.dispose();
              documentPathBuilder_ = null;
              documentPath_ = other.documentPath_;
              bitField0_ = (bitField0_ & ~0x00000001);
              documentPathBuilder_ = 
                com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders ?
                   internalGetDocumentPathFieldBuilder() : null;
            } else {
              documentPathBuilder_.addAllMessages(other.documentPath_);
            }
          }
        }
        if (other.hasName()) {
          name_ = other.name_;
          bitField0_ |= 0x00000002;
          onChanged();
        }
        if (other.hasTableName()) {
          tableName_ = other.tableName_;
          bitField0_ |= 0x00000004;
          onChanged();
        }
        if (other.hasSchemaName()) {
          schemaName_ = other.schemaName_;
          bitField0_ |= 0x00000008;
          onChanged();
        }
        this.mergeUnknownFields(other.getUnknownFields());
        onChanged();
        return this;
      }

      @java.lang.Override
      public final boolean isInitialized() {
        for (int i = 0; i < getDocumentPathCount(); i++) {
          if (!getDocumentPath(i).isInitialized()) {
            return false;
          }
        }
        return true;
      }

      @java.lang.Override
      public Builder mergeFrom(
          com.google.protobuf.CodedInputStream input,
          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
          throws java.io.IOException {
        if (extensionRegistry == null) {
          throw new java.lang.NullPointerException();
        }
        try {
          boolean done = false;
          while (!done) {
            int tag = input.readTag();
            switch (tag) {
              case 0:
                done = true;
                break;
              case 10: {
                com.mysql.cj.x.protobuf.MysqlxExpr.DocumentPathItem m =
                    input.readMessage(
                        com.mysql.cj.x.protobuf.MysqlxExpr.DocumentPathItem.parser(),
                        extensionRegistry);
                if (documentPathBuilder_ == null) {
                  ensureDocumentPathIsMutable();
                  documentPath_.add(m);
                } else {
                  documentPathBuilder_.addMessage(m);
                }
                break;
              } // case 10
              case 18: {
                name_ = input.readBytes();
                bitField0_ |= 0x00000002;
                break;
              } // case 18
              case 26: {
                tableName_ = input.readBytes();
                bitField0_ |= 0x00000004;
                break;
              } // case 26
              case 34: {
                schemaName_ = input.readBytes();
                bitField0_ |= 0x00000008;
                break;
              } // case 34
              default: {
                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
                  done = true; // was an endgroup tag
                }
                break;
              } // default:
            } // switch (tag)
          } // while (!done)
        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
          throw e.unwrapIOException();
        } finally {
          onChanged();
        } // finally
        return this;
      }
      private int bitField0_;

      private java.util.List<com.mysql.cj.x.protobuf.MysqlxExpr.DocumentPathItem> documentPath_ =
        java.util.Collections.emptyList();
      private void ensureDocumentPathIsMutable() {
        if (!((bitField0_ & 0x00000001) != 0)) {
          documentPath_ = new java.util.ArrayList<com.mysql.cj.x.protobuf.MysqlxExpr.DocumentPathItem>(documentPath_);
          bitField0_ |= 0x00000001;
         }
      }

      private com.google.protobuf.RepeatedFieldBuilder<
          com.mysql.cj.x.protobuf.MysqlxExpr.DocumentPathItem, com.mysql.cj.x.protobuf.MysqlxExpr.DocumentPathItem.Builder, com.mysql.cj.x.protobuf.MysqlxExpr.DocumentPathItemOrBuilder> documentPathBuilder_;

      /**
       * <pre>
       * * document path 
       * </pre>
       *
       * <code>repeated .Mysqlx.Expr.DocumentPathItem document_path = 1;</code>
       */
      public java.util.List<com.mysql.cj.x.protobuf.MysqlxExpr.DocumentPathItem> getDocumentPathList() {
        if (documentPathBuilder_ == null) {
          return java.util.Collections.unmodifiableList(documentPath_);
        } else {
          return documentPathBuilder_.getMessageList();
        }
      }
      /**
       * <pre>
       * * document path 
       * </pre>
       *
       * <code>repeated .Mysqlx.Expr.DocumentPathItem document_path = 1;</code>
       */
      public int getDocumentPathCount() {
        if (documentPathBuilder_ == null) {
          return documentPath_.size();
        } else {
          return documentPathBuilder_.getCount();
        }
      }
      /**
       * <pre>
       * * document path 
       * </pre>
       *
       * <code>repeated .Mysqlx.Expr.DocumentPathItem document_path = 1;</code>
       */
      public com.mysql.cj.x.protobuf.MysqlxExpr.DocumentPathItem getDocumentPath(int index) {
        if (documentPathBuilder_ == null) {
          return documentPath_.get(index);
        } else {
          return documentPathBuilder_.getMessage(index);
        }
      }
      /**
       * <pre>
       * * document path 
       * </pre>
       *
       * <code>repeated .Mysqlx.Expr.DocumentPathItem document_path = 1;</code>
       */
      public Builder setDocumentPath(
          int index, com.mysql.cj.x.protobuf.MysqlxExpr.DocumentPathItem value) {
        if (documentPathBuilder_ == null) {
          if (value == null) {
            throw new NullPointerException();
          }
          ensureDocumentPathIsMutable();
          documentPath_.set(index, value);
          onChanged();
        } else {
          documentPathBuilder_.setMessage(index, value);
        }
        return this;
      }
      /**
       * <pre>
       * * document path 
       * </pre>
       *
       * <code>repeated .Mysqlx.Expr.DocumentPathItem document_path = 1;</code>
       */
      public Builder setDocumentPath(
          int index, com.mysql.cj.x.protobuf.MysqlxExpr.DocumentPathItem.Builder builderForValue) {
        if (documentPathBuilder_ == null) {
          ensureDocumentPathIsMutable();
          documentPath_.set(index, builderForValue.build());
          onChanged();
        } else {
          documentPathBuilder_.setMessage(index, builderForValue.build());
        }
        return this;
      }
      /**
       * <pre>
       * * document path 
       * </pre>
       *
       * <code>repeated .Mysqlx.Expr.DocumentPathItem document_path = 1;</code>
       */
      public Builder addDocumentPath(com.mysql.cj.x.protobuf.MysqlxExpr.DocumentPathItem value) {
        if (documentPathBuilder_ == null) {
          if (value == null) {
            throw new NullPointerException();
          }
          ensureDocumentPathIsMutable();
          documentPath_.add(value);
          onChanged();
        } else {
          documentPathBuilder_.addMessage(value);
        }
        return this;
      }
      /**
       * <pre>
       * * document path 
       * </pre>
       *
       * <code>repeated .Mysqlx.Expr.DocumentPathItem document_path = 1;</code>
       */
      public Builder addDocumentPath(
          int index, com.mysql.cj.x.protobuf.MysqlxExpr.DocumentPathItem value) {
        if (documentPathBuilder_ == null) {
          if (value == null) {
            throw new NullPointerException();
          }
          ensureDocumentPathIsMutable();
          documentPath_.add(index, value);
          onChanged();
        } else {
          documentPathBuilder_.addMessage(index, value);
        }
        return this;
      }
      /**
       * <pre>
       * * document path 
       * </pre>
       *
       * <code>repeated .Mysqlx.Expr.DocumentPathItem document_path = 1;</code>
       */
      public Builder addDocumentPath(
          com.mysql.cj.x.protobuf.MysqlxExpr.DocumentPathItem.Builder builderForValue) {
        if (documentPathBuilder_ == null) {
          ensureDocumentPathIsMutable();
          documentPath_.add(builderForValue.build());
          onChanged();
        } else {
          documentPathBuilder_.addMessage(builderForValue.build());
        }
        return this;
      }
      /**
       * <pre>
       * * document path 
       * </pre>
       *
       * <code>repeated .Mysqlx.Expr.DocumentPathItem document_path = 1;</code>
       */
      public Builder addDocumentPath(
          int index, com.mysql.cj.x.protobuf.MysqlxExpr.DocumentPathItem.Builder builderForValue) {
        if (documentPathBuilder_ == null) {
          ensureDocumentPathIsMutable();
          documentPath_.add(index, builderForValue.build());
          onChanged();
        } else {
          documentPathBuilder_.addMessage(index, builderForValue.build());
        }
        return this;
      }
      /**
       * <pre>
       * * document path 
       * </pre>
       *
       * <code>repeated .Mysqlx.Expr.DocumentPathItem document_path = 1;</code>
       */
      public Builder addAllDocumentPath(
          java.lang.Iterable<? extends com.mysql.cj.x.protobuf.MysqlxExpr.DocumentPathItem> values) {
        if (documentPathBuilder_ == null) {
          ensureDocumentPathIsMutable();
          com.google.protobuf.AbstractMessageLite.Builder.addAll(
              values, documentPath_);
          onChanged();
        } else {
          documentPathBuilder_.addAllMessages(values);
        }
        return this;
      }
      /**
       * <pre>
       * * document path 
       * </pre>
       *
       * <code>repeated .Mysqlx.Expr.DocumentPathItem document_path = 1;</code>
       */
      public Builder clearDocumentPath() {
        if (documentPathBuilder_ == null) {
          documentPath_ = java.util.Collections.emptyList();
          bitField0_ = (bitField0_ & ~0x00000001);
          onChanged();
        } else {
          documentPathBuilder_.clear();
        }
        return this;
      }
      /**
       * <pre>
       * * document path 
       * </pre>
       *
       * <code>repeated .Mysqlx.Expr.DocumentPathItem document_path = 1;</code>
       */
      public Builder removeDocumentPath(int index) {
        if (documentPathBuilder_ == null) {
          ensureDocumentPathIsMutable();
          documentPath_.remove(index);
          onChanged();
        } else {
          documentPathBuilder_.remove(index);
        }
        return this;
      }
      /**
       * <pre>
       * * document path 
       * </pre>
       *
       * <code>repeated .Mysqlx.Expr.DocumentPathItem document_path = 1;</code>
       */
      public com.mysql.cj.x.protobuf.MysqlxExpr.DocumentPathItem.Builder getDocumentPathBuilder(
          int index) {
        return internalGetDocumentPathFieldBuilder().getBuilder(index);
      }
      /**
       * <pre>
       * * document path 
       * </pre>
       *
       * <code>repeated .Mysqlx.Expr.DocumentPathItem document_path = 1;</code>
       */
      public com.mysql.cj.x.protobuf.MysqlxExpr.DocumentPathItemOrBuilder getDocumentPathOrBuilder(
          int index) {
        if (documentPathBuilder_ == null) {
          return documentPath_.get(index);  } else {
          return documentPathBuilder_.getMessageOrBuilder(index);
        }
      }
      /**
       * <pre>
       * * document path 
       * </pre>
       *
       * <code>repeated .Mysqlx.Expr.DocumentPathItem document_path = 1;</code>
       */
      public java.util.List<? extends com.mysql.cj.x.protobuf.MysqlxExpr.DocumentPathItemOrBuilder> 
           getDocumentPathOrBuilderList() {
        if (documentPathBuilder_ != null) {
          return documentPathBuilder_.getMessageOrBuilderList();
        } else {
          return java.util.Collections.unmodifiableList(documentPath_);
        }
      }
      /**
       * <pre>
       * * document path 
       * </pre>
       *
       * <code>repeated .Mysqlx.Expr.DocumentPathItem document_path = 1;</code>
       */
      public com.mysql.cj.x.protobuf.MysqlxExpr.DocumentPathItem.Builder addDocumentPathBuilder() {
        return internalGetDocumentPathFieldBuilder().addBuilder(
            com.mysql.cj.x.protobuf.MysqlxExpr.DocumentPathItem.getDefaultInstance());
      }
      /**
       * <pre>
       * * document path 
       * </pre>
       *
       * <code>repeated .Mysqlx.Expr.DocumentPathItem document_path = 1;</code>
       */
      public com.mysql.cj.x.protobuf.MysqlxExpr.DocumentPathItem.Builder addDocumentPathBuilder(
          int index) {
        return internalGetDocumentPathFieldBuilder().addBuilder(
            index, com.mysql.cj.x.protobuf.MysqlxExpr.DocumentPathItem.getDefaultInstance());
      }
      /**
       * <pre>
       * * document path 
       * </pre>
       *
       * <code>repeated .Mysqlx.Expr.DocumentPathItem document_path = 1;</code>
       */
      public java.util.List<com.mysql.cj.x.protobuf.MysqlxExpr.DocumentPathItem.Builder> 
           getDocumentPathBuilderList() {
        return internalGetDocumentPathFieldBuilder().getBuilderList();
      }
      private com.google.protobuf.RepeatedFieldBuilder<
          com.mysql.cj.x.protobuf.MysqlxExpr.DocumentPathItem, com.mysql.cj.x.protobuf.MysqlxExpr.DocumentPathItem.Builder, com.mysql.cj.x.protobuf.MysqlxExpr.DocumentPathItemOrBuilder> 
          internalGetDocumentPathFieldBuilder() {
        if (documentPathBuilder_ == null) {
          documentPathBuilder_ = new com.google.protobuf.RepeatedFieldBuilder<
              com.mysql.cj.x.protobuf.MysqlxExpr.DocumentPathItem, com.mysql.cj.x.protobuf.MysqlxExpr.DocumentPathItem.Builder, com.mysql.cj.x.protobuf.MysqlxExpr.DocumentPathItemOrBuilder>(
                  documentPath_,
                  ((bitField0_ & 0x00000001) != 0),
                  getParentForChildren(),
                  isClean());
          documentPath_ = null;
        }
        return documentPathBuilder_;
      }

      private java.lang.Object name_ = "";
      /**
       * <pre>
       * * name of column 
       * </pre>
       *
       * <code>optional string name = 2;</code>
       * @return Whether the name field is set.
       */
      public boolean hasName() {
        return ((bitField0_ & 0x00000002) != 0);
      }
      /**
       * <pre>
       * * name of column 
       * </pre>
       *
       * <code>optional string name = 2;</code>
       * @return The name.
       */
      public java.lang.String getName() {
        java.lang.Object ref = name_;
        if (!(ref instanceof java.lang.String)) {
          com.google.protobuf.ByteString bs =
              (com.google.protobuf.ByteString) ref;
          java.lang.String s = bs.toStringUtf8();
          if (bs.isValidUtf8()) {
            name_ = s;
          }
          return s;
        } else {
          return (java.lang.String) ref;
        }
      }
      /**
       * <pre>
       * * name of column 
       * </pre>
       *
       * <code>optional string name = 2;</code>
       * @return The bytes for name.
       */
      public com.google.protobuf.ByteString
          getNameBytes() {
        java.lang.Object ref = name_;
        if (ref instanceof String) {
          com.google.protobuf.ByteString b = 
              com.google.protobuf.ByteString.copyFromUtf8(
                  (java.lang.String) ref);
          name_ = b;
          return b;
        } else {
          return (com.google.protobuf.ByteString) ref;
        }
      }
      /**
       * <pre>
       * * name of column 
       * </pre>
       *
       * <code>optional string name = 2;</code>
       * @param value The name to set.
       * @return This builder for chaining.
       */
      public Builder setName(
          java.lang.String value) {
        if (value == null) { throw new NullPointerException(); }
        name_ = value;
        bitField0_ |= 0x00000002;
        onChanged();
        return this;
      }
      /**
       * <pre>
       * * name of column 
       * </pre>
       *
       * <code>optional string name = 2;</code>
       * @return This builder for chaining.
       */
      public Builder clearName() {
        name_ = getDefaultInstance().getName();
        bitField0_ = (bitField0_ & ~0x00000002);
        onChanged();
        return this;
      }
      /**
       * <pre>
       * * name of column 
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        if (bitField0_ != 0) { buildPartial0(result); }
        onBuilt();
        return result;
      }

      private void buildPartialRepeatedFields(com.mysql.cj.x.protobuf.MysqlxExpr.FunctionCall result) {
        if (paramBuilder_ == null) {
          if (((bitField0_ & 0x00000002) != 0)) {
            param_ = java.util.Collections.unmodifiableList(param_);
            bitField0_ = (bitField0_ & ~0x00000002);
          }
          result.param_ = param_;
        } else {
          result.param_ = paramBuilder_.build();
        }
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      private void buildPartial0(com.mysql.cj.x.protobuf.MysqlxExpr.FunctionCall result) {
        int from_bitField0_ = bitField0_;
        int to_bitField0_ = 0;
        if (((from_bitField0_ & 0x00000001) != 0)) {
          result.name_ = nameBuilder_ == null
              ? name_
              : nameBuilder_.build();
          to_bitField0_ |= 0x00000001;
        }
        result.bitField0_ |= to_bitField0_;
      }

      @java.lang.Override
      public Builder mergeFrom(com.google.protobuf.Message other) {
        if (other instanceof com.mysql.cj.x.protobuf.MysqlxExpr.FunctionCall) {
          return mergeFrom((com.mysql.cj.x.protobuf.MysqlxExpr.FunctionCall)other);
        } else {
          super.mergeFrom(other);
          return this;
        }
      }

      public Builder mergeFrom(com.mysql.cj.x.protobuf.MysqlxExpr.FunctionCall other) {
        if (other == com.mysql.cj.x.protobuf.MysqlxExpr.FunctionCall.getDefaultInstance()) return this;
        if (other.hasName()) {
          mergeName(other.getName());
        }
        if (paramBuilder_ == null) {
          if (!other.param_.isEmpty()) {
            if (param_.isEmpty()) {
              param_ = other.param_;
              bitField0_ = (bitField0_ & ~0x00000002);
            } else {
              ensureParamIsMutable();
              param_.addAll(other.param_);
            }
            onChanged();
          }
        } else {
          if (!other.param_.isEmpty()) {
            if (paramBuilder_.isEmpty()) {
              paramBuilder_.dispose();
              paramBuilder_ = null;
              param_ = other.param_;
              bitField0_ = (bitField0_ & ~0x00000002);
              paramBuilder_ = 
                com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders ?
                   internalGetParamFieldBuilder() : null;
            } else {
              paramBuilder_.addAllMessages(other.param_);
            }
          }
        }
        this.mergeUnknownFields(other.getUnknownFields());
        onChanged();
        return this;
      }

      @java.lang.Override
      public final boolean isInitialized() {
        if (!hasName()) {
          return false;
        }
        if (!getName().isInitialized()) {
          return false;
        }
        for (int i = 0; i < getParamCount(); i++) {
          if (!getParam(i).isInitialized()) {
            return false;
          }
        }
        return true;
      }

      @java.lang.Override
      public Builder mergeFrom(
          com.google.protobuf.CodedInputStream input,
          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
          throws java.io.IOException {
        if (extensionRegistry == null) {
          throw new java.lang.NullPointerException();
        }
        try {
          boolean done = false;
          while (!done) {
            int tag = input.readTag();
            switch (tag) {
              case 0:
                done = true;
                break;
              case 10: {
                input.readMessage(
                    internalGetNameFieldBuilder().getBuilder(),
                    extensionRegistry);
                bitField0_ |= 0x00000001;
                break;
              } // case 10
              case 18: {
                com.mysql.cj.x.protobuf.MysqlxExpr.Expr m =
                    input.readMessage(
                        com.mysql.cj.x.protobuf.MysqlxExpr.Expr.parser(),
                        extensionRegistry);
                if (paramBuilder_ == null) {
                  ensureParamIsMutable();
                  param_.add(m);
                } else {
                  paramBuilder_.addMessage(m);
                }
                break;
              } // case 18
              default: {
                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
                  done = true; // was an endgroup tag
                }
                break;
              } // default:
            } // switch (tag)
          } // while (!done)
        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
          throw e.unwrapIOException();
        } finally {
          onChanged();
        } // finally
        return this;
      }
      private int bitField0_;

      private com.mysql.cj.x.protobuf.MysqlxExpr.Identifier name_;
      private com.google.protobuf.SingleFieldBuilder<
          com.mysql.cj.x.protobuf.MysqlxExpr.Identifier, com.mysql.cj.x.protobuf.MysqlxExpr.Identifier.Builder, com.mysql.cj.x.protobuf.MysqlxExpr.IdentifierOrBuilder> nameBuilder_;
      /**
       * <pre>
       * * identifier of function; at least name of it 
       * </pre>
       *
       * <code>required .Mysqlx.Expr.Identifier name = 1;</code>
       * @return Whether the name field is set.
       */
      public boolean hasName() {
        return ((bitField0_ & 0x00000001) != 0);
      }
      /**
       * <pre>
       * * identifier of function; at least name of it 
       * </pre>
       *
       * <code>required .Mysqlx.Expr.Identifier name = 1;</code>
       * @return The name.
       */
      public com.mysql.cj.x.protobuf.MysqlxExpr.Identifier getName() {
        if (nameBuilder_ == null) {
          return name_ == null ? com.mysql.cj.x.protobuf.MysqlxExpr.Identifier.getDefaultInstance() : name_;
        } else {
          return nameBuilder_.getMessage();
        }
      }
      /**
       * <pre>
       * * identifier of function; at least name of it 
       * </pre>
       *
       * <code>required .Mysqlx.Expr.Identifier name = 1;</code>
       */
      public Builder setName(com.mysql.cj.x.protobuf.MysqlxExpr.Identifier value) {
        if (nameBuilder_ == null) {
          if (value == null) {
            throw new NullPointerException();
          }
          name_ = value;
        } else {
          nameBuilder_.setMessage(value);
        }
        bitField0_ |= 0x00000001;
        onChanged();
        return this;
      }
      /**
       * <pre>
       * * identifier of function; at least name of it 
       * </pre>
       *
       * <code>required .Mysqlx.Expr.Identifier name = 1;</code>
       */
      public Builder setName(
          com.mysql.cj.x.protobuf.MysqlxExpr.Identifier.Builder builderForValue) {
        if (nameBuilder_ == null) {
          name_ = builderForValue.build();
        } else {
          nameBuilder_.setMessage(builderForValue.build());
        }
        bitField0_ |= 0x00000001;
        onChanged();
        return this;
      }
      /**
       * <pre>
       * * identifier of function; at least name of it 
       * </pre>
       *
       * <code>required .Mysqlx.Expr.Identifier name = 1;</code>
       */
      public Builder mergeName(com.mysql.cj.x.protobuf.MysqlxExpr.Identifier value) {
        if (nameBuilder_ == null) {
          if (((bitField0_ & 0x00000001) != 0) &&
            name_ != null &&
            name_ != com.mysql.cj.x.protobuf.MysqlxExpr.Identifier.getDefaultInstance()) {
            getNameBuilder().mergeFrom(value);
          } else {
            name_ = value;
          }
        } else {
          nameBuilder_.mergeFrom(value);
        }
        if (name_ != null) {
          bitField0_ |= 0x00000001;
          onChanged();
        }
        return this;
      }
      /**
       * <pre>
       * * identifier of function; at least name of it 
       * </pre>
       *
       * <code>required .Mysqlx.Expr.Identifier name = 1;</code>
       */
      public Builder clearName() {
        bitField0_ = (bitField0_ & ~0x00000001);
        name_ = null;
        if (nameBuilder_ != null) {
          nameBuilder_.dispose();
          nameBuilder_ = null;
        }
        onChanged();
        return this;
      }
      /**
       * <pre>
       * * identifier of function; at least name of it 
       * </pre>
       *
       * <code>required .Mysqlx.Expr.Identifier name = 1;</code>
       */
      public com.mysql.cj.x.protobuf.MysqlxExpr.Identifier.Builder getNameBuilder() {
        bitField0_ |= 0x00000001;
        onChanged();
        return internalGetNameFieldBuilder().getBuilder();
      }
      /**
       * <pre>
       * * identifier of function; at least name of it 
       * </pre>
       *
       * <code>required .Mysqlx.Expr.Identifier name = 1;</code>
       */
      public com.mysql.cj.x.protobuf.MysqlxExpr.IdentifierOrBuilder getNameOrBuilder() {
        if (nameBuilder_ != null) {
          return nameBuilder_.getMessageOrBuilder();
        } else {
          return name_ == null ?
              com.mysql.cj.x.protobuf.MysqlxExpr.Identifier.getDefaultInstance() : name_;
        }
      }
      /**
       * <pre>
       * * identifier of function; at least name of it 
       * </pre>
       *
       * <code>required .Mysqlx.Expr.Identifier name = 1;</code>
       */
      private com.google.protobuf.SingleFieldBuilder<
          com.mysql.cj.x.protobuf.MysqlxExpr.Identifier, com.mysql.cj.x.protobuf.MysqlxExpr.Identifier.Builder, com.mysql.cj.x.protobuf.MysqlxExpr.IdentifierOrBuilder> 
          internalGetNameFieldBuilder() {
        if (nameBuilder_ == null) {
          nameBuilder_ = new com.google.protobuf.SingleFieldBuilder<
              com.mysql.cj.x.protobuf.MysqlxExpr.Identifier, com.mysql.cj.x.protobuf.MysqlxExpr.Identifier.Builder, com.mysql.cj.x.protobuf.MysqlxExpr.IdentifierOrBuilder>(
                  getName(),
                  getParentForChildren(),
                  isClean());
          name_ = null;
        }
        return nameBuilder_;
      }

      private java.util.List<com.mysql.cj.x.protobuf.MysqlxExpr.Expr> param_ =
        java.util.Collections.emptyList();
      private void ensureParamIsMutable() {
        if (!((bitField0_ & 0x00000002) != 0)) {
          param_ = new java.util.ArrayList<com.mysql.cj.x.protobuf.MysqlxExpr.Expr>(param_);
          bitField0_ |= 0x00000002;
         }
      }

      private com.google.protobuf.RepeatedFieldBuilder<
          com.mysql.cj.x.protobuf.MysqlxExpr.Expr, com.mysql.cj.x.protobuf.MysqlxExpr.Expr.Builder, com.mysql.cj.x.protobuf.MysqlxExpr.ExprOrBuilder> paramBuilder_;

      /**
       * <pre>
       * * list of parameters 
       * </pre>
       *
       * <code>repeated .Mysqlx.Expr.Expr param = 2;</code>
       */
      public java.util.List<com.mysql.cj.x.protobuf.MysqlxExpr.Expr> getParamList() {
        if (paramBuilder_ == null) {
          return java.util.Collections.unmodifiableList(param_);
        } else {
          return paramBuilder_.getMessageList();
        }
      }
      /**
       * <pre>
       * * list of parameters 
       * </pre>
       *
       * <code>repeated .Mysqlx.Expr.Expr param = 2;</code>
       */
      public int getParamCount() {
        if (paramBuilder_ == null) {
          return param_.size();
        } else {
          return paramBuilder_.getCount();
        }
      }
      /**
       * <pre>
       * * list of parameters 
       * </pre>
       *
       * <code>repeated .Mysqlx.Expr.Expr param = 2;</code>
       */
      public com.mysql.cj.x.protobuf.MysqlxExpr.Expr getParam(int index) {
        if (paramBuilder_ == null) {
          return param_.get(index);
        } else {
          return paramBuilder_.getMessage(index);
        }
      }
      /**
       * <pre>
       * * list of parameters 
       * </pre>
       *
       * <code>repeated .Mysqlx.Expr.Expr param = 2;</code>
       */
      public Builder setParam(
          int index, com.mysql.cj.x.protobuf.MysqlxExpr.Expr value) {
        if (paramBuilder_ == null) {
          if (value == null) {
            throw new NullPointerException();
          }
          ensureParamIsMutable();
          param_.set(index, value);
          onChanged();
        } else {
          paramBuilder_.setMessage(index, value);
        }
        return this;
      }
      /**
       * <pre>
       * * list of parameters 
       * </pre>
       *
       * <code>repeated .Mysqlx.Expr.Expr param = 2;</code>
       */
      public Builder setParam(
          int index, com.mysql.cj.x.protobuf.MysqlxExpr.Expr.Builder builderForValue) {
        if (paramBuilder_ == null) {
          ensureParamIsMutable();
          param_.set(index, builderForValue.build());
          onChanged();
        } else {
          paramBuilder_.setMessage(index, builderForValue.build());
        }
        return this;
      }
      /**
       * <pre>
       * * list of parameters 
       * </pre>
       *
       * <code>repeated .Mysqlx.Expr.Expr param = 2;</code>
       */
      public Builder addParam(com.mysql.cj.x.protobuf.MysqlxExpr.Expr value) {
        if (paramBuilder_ == null) {
          if (value == null) {
            throw new NullPointerException();
          }
          ensureParamIsMutable();
          param_.add(value);
          onChanged();
        } else {
          paramBuilder_.addMessage(value);
        }
        return this;
      }
      /**
       * <pre>
       * * list of parameters 
       * </pre>
       *
       * <code>repeated .Mysqlx.Expr.Expr param = 2;</code>
       */
      public Builder addParam(
          int index, com.mysql.cj.x.protobuf.MysqlxExpr.Expr value) {
        if (paramBuilder_ == null) {
          if (value == null) {
            throw new NullPointerException();
          }
          ensureParamIsMutable();
          param_.add(index, value);
          onChanged();
        } else {
          paramBuilder_.addMessage(index, value);
        }
        return this;
      }
      /**
       * <pre>
       * * list of parameters 
       * </pre>
       *
       * <code>repeated .Mysqlx.Expr.Expr param = 2;</code>
       */
      public Builder addParam(
          com.mysql.cj.x.protobuf.MysqlxExpr.Expr.Builder builderForValue) {
        if (paramBuilder_ == null) {
          ensureParamIsMutable();
          param_.add(builderForValue.build());
          onChanged();
        } else {
          paramBuilder_.addMessage(builderForValue.build());
        }
        return this;
      }
      /**
       * <pre>
       * * list of parameters 
       * </pre>
       *
       * <code>repeated .Mysqlx.Expr.Expr param = 2;</code>
       */
      public Builder addParam(
          int index, com.mysql.cj.x.protobuf.MysqlxExpr.Expr.Builder builderForValue) {
        if (paramBuilder_ == null) {
          ensureParamIsMutable();
          param_.add(index, builderForValue.build());
          onChanged();
        } else {
          paramBuilder_.addMessage(index, builderForValue.build());
        }
        return this;
      }
      /**
       * <pre>
       * * list of parameters 
       * </pre>
       *
       * <code>repeated .Mysqlx.Expr.Expr param = 2;</code>
       */
      public Builder addAllParam(
          java.lang.Iterable<? extends com.mysql.cj.x.protobuf.MysqlxExpr.Expr> values) {
        if (paramBuilder_ == null) {
          ensureParamIsMutable();
          com.google.protobuf.AbstractMessageLite.Builder.addAll(
              values, param_);
          onChanged();
        } else {
          paramBuilder_.addAllMessages(values);
        }
        return this;
      }
      /**
       * <pre>
       * * list of parameters 
       * </pre>
       *
       * <code>repeated .Mysqlx.Expr.Expr param = 2;</code>
       */
      public Builder clearParam() {
        if (paramBuilder_ == null) {
          param_ = java.util.Collections.emptyList();
          bitField0_ = (bitField0_ & ~0x00000002);
          onChanged();
        } else {
          paramBuilder_.clear();
        }
        return this;
      }
      /**
       * <pre>
       * * list of parameters 
       * </pre>
       *
       * <code>repeated .Mysqlx.Expr.Expr param = 2;</code>
       */
      public Builder removeParam(int index) {
        if (paramBuilder_ == null) {
          ensureParamIsMutable();
          param_.remove(index);
          onChanged();
        } else {
          paramBuilder_.remove(index);
        }
        return this;
      }
      /**
       * <pre>
       * * list of parameters 
       * </pre>
       *
       * <code>repeated .Mysqlx.Expr.Expr param = 2;</code>
       */
      public com.mysql.cj.x.protobuf.MysqlxExpr.Expr.Builder getParamBuilder(
          int index) {
        return internalGetParamFieldBuilder().getBuilder(index);
      }
      /**
       * <pre>
       * * list of parameters 
       * </pre>
       *
       * <code>repeated .Mysqlx.Expr.Expr param = 2;</code>
       */
      public com.mysql.cj.x.protobuf.MysqlxExpr.ExprOrBuilder getParamOrBuilder(
          int index) {
        if (paramBuilder_ == null) {
          return param_.get(index);  } else {
          return paramBuilder_.getMessageOrBuilder(index);
        }
      }
      /**
       * <pre>
       * * list of parameters 
       * </pre>
       *
       * <code>repeated .Mysqlx.Expr.Expr param = 2;</code>
       */
      public java.util.List<? extends com.mysql.cj.x.protobuf.MysqlxExpr.ExprOrBuilder> 
           getParamOrBuilderList() {
        if (paramBuilder_ != null) {
          return paramBuilder_.getMessageOrBuilderList();
        } else {
          return java.util.Collections.unmodifiableList(param_);
        }
      }
      /**
       * <pre>
       * * list of parameters 
       * </pre>
       *
       * <code>repeated .Mysqlx.Expr.Expr param = 2;</code>
       */
      public com.mysql.cj.x.protobuf.MysqlxExpr.Expr.Builder addParamBuilder() {
        return internalGetParamFieldBuilder().addBuilder(
            com.mysql.cj.x.protobuf.MysqlxExpr.Expr.getDefaultInstance());
      }
      /**
       * <pre>
       * * list of parameters 
       * </pre>
       *
       * <code>repeated .Mysqlx.Expr.Expr param = 2;</code>
       */
      public com.mysql.cj.x.protobuf.MysqlxExpr.Expr.Builder addParamBuilder(
          int index) {
        return internalGetParamFieldBuilder().addBuilder(
            index, com.mysql.cj.x.protobuf.MysqlxExpr.Expr.getDefaultInstance());
      }
      /**
       * <pre>
       * * list of parameters 
       * </pre>
       *
       * <code>repeated .Mysqlx.Expr.Expr param = 2;</code>
       */
      public java.util.List<com.mysql.cj.x.protobuf.MysqlxExpr.Expr.Builder> 
           getParamBuilderList() {
        return internalGetParamFieldBuilder().getBuilderList();
      }
      private com.google.protobuf.RepeatedFieldBuilder<
          com.mysql.cj.x.protobuf.MysqlxExpr.Expr, com.mysql.cj.x.protobuf.MysqlxExpr.Expr.Builder, com.mysql.cj.x.protobuf.MysqlxExpr.ExprOrBuilder> 
          internalGetParamFieldBuilder() {
        if (paramBuilder_ == null) {
          paramBuilder_ = new com.google.protobuf.RepeatedFieldBuilder<
              com.mysql.cj.x.protobuf.MysqlxExpr.Expr, com.mysql.cj.x.protobuf.MysqlxExpr.Expr.Builder, com.mysql.cj.x.protobuf.MysqlxExpr.ExprOrBuilder>(
                  param_,
                  ((bitField0_ & 0x00000002) != 0),
                  getParentForChildren(),
                  isClean());
          param_ = null;
        }
        return paramBuilder_;
      }

      // @@protoc_insertion_point(builder_scope:Mysqlx.Expr.FunctionCall)
    }

    // @@protoc_insertion_point(class_scope:Mysqlx.Expr.FunctionCall)
    private static final com.mysql.cj.x.protobuf.MysqlxExpr.FunctionCall DEFAULT_INSTANCE;
    static {
      DEFAULT_INSTANCE = new com.mysql.cj.x.protobuf.MysqlxExpr.FunctionCall();
    }

    public static com.mysql.cj.x.protobuf.MysqlxExpr.FunctionCall getDefaultInstance() {
      return DEFAULT_INSTANCE;
    }

    private static final com.google.protobuf.Parser<FunctionCall>
        PARSER = new com.google.protobuf.AbstractParser<FunctionCall>() {
      @java.lang.Override
      public FunctionCall parsePartialFrom(
          com.google.protobuf.CodedInputStream input,
          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
          throws com.google.protobuf.InvalidProtocolBufferException {
        Builder builder = newBuilder();
        try {
          builder.mergeFrom(input, extensionRegistry);
        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
          throw e.setUnfinishedMessage(builder.buildPartial());
        } catch (com.google.protobuf.UninitializedMessageException e) {
          throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
        } catch (java.io.IOException e) {
          throw new com.google.protobuf.InvalidProtocolBufferException(e)
              .setUnfinishedMessage(builder.buildPartial());
        }
        return builder.buildPartial();
      }
    };

    public static com.google.protobuf.Parser<FunctionCall> parser() {
      return PARSER;
    }

    @java.lang.Override
    public com.google.protobuf.Parser<FunctionCall> getParserForType() {
      return PARSER;
    }

    @java.lang.Override
    public com.mysql.cj.x.protobuf.MysqlxExpr.FunctionCall getDefaultInstanceForType() {
      return DEFAULT_INSTANCE;
    }

  }

  public interface OperatorOrBuilder extends
      // @@protoc_insertion_point(interface_extends:Mysqlx.Expr.Operator)
      com.google.protobuf.MessageOrBuilder {

    /**
     * <pre>
     * * name of operator 
     * </pre>
     *
     * <code>required string name = 1;</code>
     * @return Whether the name field is set.
     */
    boolean hasName();
    /**
     * <pre>
     * * name of operator 
     * </pre>
     *
     * <code>required string name = 1;</code>
     * @return The name.
     */
    java.lang.String getName();
    /**
     * <pre>
     * * name of operator 
     * </pre>
     *
     * <code>required string name = 1;</code>
     * @return The bytes for name.
     */
    com.google.protobuf.ByteString
        getNameBytes();

    /**
     * <pre>
     * * list of parameters 
     * </pre>
     *
     * <code>repeated .Mysqlx.Expr.Expr param = 2;</code>
     */
    java.util.List<com.mysql.cj.x.protobuf.MysqlxExpr.Expr> 
        getParamList();
    /**
     * <pre>
     * * list of parameters 
     * </pre>
     *
     * <code>repeated .Mysqlx.Expr.Expr param = 2;</code>
     */
    com.mysql.cj.x.protobuf.MysqlxExpr.Expr getParam(int index);
    /**
     * <pre>
     * * list of parameters 
     * </pre>
     *
     * <code>repeated .Mysqlx.Expr.Expr param = 2;</code>
     */
    int getParamCount();
    /**
     * <pre>
     * * list of parameters 
     * </pre>
     *
     * <code>repeated .Mysqlx.Expr.Expr param = 2;</code>
     */
    java.util.List<? extends com.mysql.cj.x.protobuf.MysqlxExpr.ExprOrBuilder> 
        getParamOrBuilderList();
    /**
     * <pre>
     * * list of parameters 
     * </pre>
     *
     * <code>repeated .Mysqlx.Expr.Expr param = 2;</code>
     */
    com.mysql.cj.x.protobuf.MysqlxExpr.ExprOrBuilder getParamOrBuilder(
        int index);
  }
  /**
   * Protobuf type {@code Mysqlx.Expr.Operator}
   */
  public static final class Operator extends
      com.google.protobuf.GeneratedMessage implements
      // @@protoc_insertion_point(message_implements:Mysqlx.Expr.Operator)
      OperatorOrBuilder {
  private static final long serialVersionUID = 0L;
    static {
      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
        /* major= */ 4,
        /* minor= */ 31,
        /* patch= */ 1,
        /* suffix= */ "",
        Operator.class.getName());
    }
    // Use Operator.newBuilder() to construct.
    private Operator(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
      super(builder);
    }
    private Operator() {
      name_ = "";
      param_ = java.util.Collections.emptyList();
    }

    public static final com.google.protobuf.Descriptors.Descriptor
        getDescriptor() {
      return com.mysql.cj.x.protobuf.MysqlxExpr.internal_static_Mysqlx_Expr_Operator_descriptor;
    }

    @java.lang.Override
    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
        internalGetFieldAccessorTable() {
      return com.mysql.cj.x.protobuf.MysqlxExpr.internal_static_Mysqlx_Expr_Operator_fieldAccessorTable
          .ensureFieldAccessorsInitialized(
              com.mysql.cj.x.protobuf.MysqlxExpr.Operator.class, com.mysql.cj.x.protobuf.MysqlxExpr.Operator.Builder.class);
    }

    private int bitField0_;
    public static final int NAME_FIELD_NUMBER = 1;
    @SuppressWarnings("serial")
    private volatile java.lang.Object name_ = "";
    /**
     * <pre>
     * * name of operator 
     * </pre>
     *
     * <code>required string name = 1;</code>
     * @return Whether the name field is set.
     */
    @java.lang.Override
    public boolean hasName() {
      return ((bitField0_ & 0x00000001) != 0);
    }
    /**
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        internal_static_Mysqlx_Expr_Array_descriptor,
        new java.lang.String[] { "Value", });
    descriptor.resolveAllFeaturesImmutable();
    com.mysql.cj.x.protobuf.MysqlxDatatypes.getDescriptor();
  }

  // @@protoc_insertion_point(outer_class_scope)
}
