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    "[core/src/main/java/org/apache/calcite/rel/RelShuttleImpl.java]" -- "[core/src/main/java/org/apache/calcite/rel/RelShuttle.java]" [label=" 2 ", penwidth="2", color="#00688b70"];
    "[core/src/main/java/org/apache/calcite/rel/rules/ExpandDisjunctionForJoinInputsRule.java]" -- "[core/src/main/java/org/apache/calcite/rel/rules/CoreRules.java]" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "[core/src/main/java/org/apache/calcite/util/RelToSqlConverterUtil.java]" -- "[core/src/main/java/org/apache/calcite/sql/dialect/StarRocksSqlDialect.java]" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "[core/src/main/java/org/apache/calcite/util/RelToSqlConverterUtil.java]" -- "[core/src/main/java/org/apache/calcite/sql/dialect/ClickHouseSqlDialect.java]" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "[core/src/main/java/org/apache/calcite/tools/RelBuilder.java]" -- "[core/src/main/java/org/apache/calcite/rel/rules/SubQueryRemoveRule.java]" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "[core/src/main/java/org/apache/calcite/rel/rules/UnionEliminatorRule.java]" -- "[core/src/main/java/org/apache/calcite/rel/rules/CoreRules.java]" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "[core/src/main/java/org/apache/calcite/rel/logical/LogicalRepeatUnion.java]" -- "[core/src/main/java/org/apache/calcite/rel/RelShuttle.java]" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "[core/src/main/java/org/apache/calcite/rel/core/Join.java]" -- "[core/src/main/java/org/apache/calcite/adapter/enumerable/RexImpTable.java]" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "[core/src/main/java/org/apache/calcite/rel/rules/FilterTableFunctionTransposeRule.java]" -- "[core/src/main/java/org/apache/calcite/rel/rules/CoreRules.java]" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "[core/src/main/java/org/apache/calcite/rel/rules/JoinExpandOrToUnionRule.java]" -- "[core/src/main/java/org/apache/calcite/rel/rules/CoreRules.java]" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "[core/src/main/java/org/apache/calcite/sql/dialect/PrestoSqlDialect.java]" -- "[core/src/main/java/org/apache/calcite/sql/dialect/PhoenixSqlDialect.java]" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "[core/src/main/java/org/apache/calcite/adapter/enumerable/RexImpTable.java]" -- "[core/src/main/java/org/apache/calcite/rel/rules/SortJoinTransposeRule.java]" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "[core/src/main/java/org/apache/calcite/sql/dialect/ClickHouseSqlDialect.java]" -- "[core/src/main/java/org/apache/calcite/sql/dialect/StarRocksSqlDialect.java]" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "[core/src/main/java/org/apache/calcite/rel/rules/JoinConditionExpandIsNotDistinctFromRule.java]" -- "[core/src/main/java/org/apache/calcite/rel/rules/CoreRules.java]" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "[core/src/main/java/org/apache/calcite/rel/rules/IntersectToSemiJoinRule.java]" -- "[core/src/main/java/org/apache/calcite/rel/rules/CoreRules.java]" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "[core/src/main/java/org/apache/calcite/sql/type/OperandTypes.java]" -- "[core/src/main/java/org/apache/calcite/sql/fun/SqlJsonQueryFunction.java]" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "[core/src/main/java/org/apache/calcite/sql/dialect/PrestoSqlDialect.java]" -- "[core/src/main/java/org/apache/calcite/sql/dialect/MysqlSqlDialect.java]" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "[core/src/main/java/org/apache/calcite/rel/rules/CoreRules.java]" -- "[core/src/main/java/org/apache/calcite/rel/rules/AggregateMinMaxToLimitRule.java]" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "[core/src/main/java/org/apache/calcite/rex/RexLiteral.java]" -- "[core/src/main/java/org/apache/calcite/rex/RexBuilder.java]" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "[core/src/main/java/org/apache/calcite/rex/RexUtil.java]" -- "[core/src/main/java/org/apache/calcite/rel/rules/ExpandDisjunctionForTableRule.java]" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "[core/src/main/java/org/apache/calcite/rel/externalize/RelJson.java]" -- "[core/src/main/java/org/apache/calcite/rex/RexBuilder.java]" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "[core/src/main/java/org/apache/calcite/sql/SqlDialectFactoryImpl.java]" -- "[core/src/main/java/org/apache/calcite/sql/SqlDialect.java]" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "[core/src/main/java/org/apache/calcite/rel/rules/LoptSemiJoinOptimizer.java]" -- "[core/src/main/java/org/apache/calcite/adapter/enumerable/RexImpTable.java]" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "[core/src/main/java/org/apache/calcite/rel/rules/LoptOptimizeJoinRule.java]" -- "[core/src/main/java/org/apache/calcite/adapter/enumerable/RexImpTable.java]" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "[core/src/main/java/org/apache/calcite/rel/rules/LoptSemiJoinOptimizer.java]" -- "[core/src/main/java/org/apache/calcite/rel/core/JoinInfo.java]" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "[core/src/main/java/org/apache/calcite/sql/dialect/StarRocksSqlDialect.java]" -- "[core/src/main/java/org/apache/calcite/config/CalciteSystemProperty.java]" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "[core/src/main/java/org/apache/calcite/rel/rules/LoptOptimizeJoinRule.java]" -- "[core/src/main/java/org/apache/calcite/rel/core/Join.java]" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "[core/src/main/java/org/apache/calcite/util/BuiltInMethod.java]" -- "[core/src/main/java/org/apache/calcite/adapter/enumerable/RexToLixTranslator.java]" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "[testkit/src/main/java/org/apache/calcite/sql/parser/SqlParserTest.java]" -- "[core/src/main/java/org/apache/calcite/sql/SqlDelete.java]" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "[core/src/main/java/org/apache/calcite/rel/rules/ExpandDisjunctionForTableRule.java]" -- "[core/src/main/java/org/apache/calcite/rel/rules/ExpandDisjunctionForJoinInputsRule.java]" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "[core/src/main/java/org/apache/calcite/sql/dialect/DuckDBSqlDialect.java]" -- "[core/src/main/java/org/apache/calcite/sql/SqlDialectFactoryImpl.java]" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "[core/src/main/java/org/apache/calcite/util/BuiltInMethod.java]" -- "[core/src/main/java/org/apache/calcite/runtime/SqlFunctions.java]" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "[core/src/main/java/org/apache/calcite/runtime/SqlFunctions.java]" -- "[core/src/main/java/org/apache/calcite/adapter/enumerable/RexToLixTranslator.java]" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "[core/src/main/java/org/apache/calcite/sql/dialect/DuckDBSqlDialect.java]" -- "[core/src/main/java/org/apache/calcite/sql/SqlDialect.java]" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "[core/src/main/java/org/apache/calcite/rel/rules/LoptOptimizeJoinRule.java]" -- "[core/src/main/java/org/apache/calcite/rel/core/JoinInfo.java]" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "[core/src/main/java/org/apache/calcite/rel/rules/LoptSemiJoinOptimizer.java]" -- "[core/src/main/java/org/apache/calcite/rel/core/Join.java]" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "[core/src/main/java/org/apache/calcite/rel/logical/LogicalRepeatUnion.java]" -- "[core/src/main/java/org/apache/calcite/rel/RelShuttleImpl.java]" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "[core/src/main/java/org/apache/calcite/sql/SqlCall.java]" -- "[testkit/src/main/java/org/apache/calcite/sql/parser/SqlParserTest.java]" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "[core/src/main/java/org/apache/calcite/rel/rules/JoinCommuteRule.java]" -- "[core/src/main/java/org/apache/calcite/rel/rules/CoreRules.java]" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "[core/src/main/java/org/apache/calcite/sql/parser/SqlParserPos.java]" -- "[testkit/src/main/java/org/apache/calcite/sql/parser/SqlParserTest.java]" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "[core/src/main/java/org/apache/calcite/rel/core/JoinInfo.java]" -- "[core/src/main/java/org/apache/calcite/adapter/enumerable/RexImpTable.java]" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "[core/src/main/java/org/apache/calcite/rel/core/JoinInfo.java]" -- "[core/src/main/java/org/apache/calcite/rel/rules/SortJoinTransposeRule.java]" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "[core/src/main/java/org/apache/calcite/rel/rules/LoptOptimizeJoinRule.java]" -- "[core/src/main/java/org/apache/calcite/rel/rules/SortJoinTransposeRule.java]" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "[core/src/main/java/org/apache/calcite/rex/RexUtil.java]" -- "[core/src/main/java/org/apache/calcite/rel/rules/ExpandDisjunctionForJoinInputsRule.java]" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "[core/src/main/java/org/apache/calcite/rex/RexPermuteInputsShuttle.java]" -- "[core/src/main/java/org/apache/calcite/rel/metadata/RelMdPredicates.java]" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "[core/src/main/java/org/apache/calcite/rel/core/JoinInfo.java]" -- "[core/src/main/java/org/apache/calcite/rel/core/Join.java]" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "[core/src/main/java/org/apache/calcite/rel/rules/LoptSemiJoinOptimizer.java]" -- "[core/src/main/java/org/apache/calcite/rel/rules/LoptOptimizeJoinRule.java]" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "[core/src/main/java/org/apache/calcite/rex/RexUtil.java]" -- "[core/src/main/java/org/apache/calcite/rel/rules/CoreRules.java]" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "[core/src/main/java/org/apache/calcite/rel/rules/MinusToFilterRule.java]" -- "[core/src/main/java/org/apache/calcite/rel/rules/CoreRules.java]" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "[core/src/main/java/org/apache/calcite/sql/dialect/PhoenixSqlDialect.java]" -- "[core/src/main/java/org/apache/calcite/sql/dialect/MysqlSqlDialect.java]" [label=" 1 ", penwidth="1", color="#00688b5E"];

}