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    "[core/src/main/java/org/apache/calcite/sql/fun/SqlLibraryOperators.java]" -- "[core/src/main/java/org/apache/calcite/runtime/SqlFunctions.java]" [label=" 7 ", penwidth="7", color="#00688bC9"];
    "[core/src/main/java/org/apache/calcite/sql/fun/SqlLibraryOperators.java]" -- "[core/src/main/java/org/apache/calcite/adapter/enumerable/RexImpTable.java]" [label=" 7 ", penwidth="7", color="#00688bC9"];
    "[core/src/main/java/org/apache/calcite/adapter/enumerable/RexImpTable.java]" -- "[core/src/main/java/org/apache/calcite/util/BuiltInMethod.java]" [label=" 6 ", penwidth="6", color="#00688bB7"];
    "[core/src/main/java/org/apache/calcite/sql/fun/SqlLibraryOperators.java]" -- "[core/src/main/java/org/apache/calcite/util/BuiltInMethod.java]" [label=" 5 ", penwidth="5", color="#00688bA5"];
    "[core/src/main/java/org/apache/calcite/sql/validate/SqlConformanceEnum.java]" -- "[core/src/main/java/org/apache/calcite/sql/validate/SqlConformance.java]" [label=" 4 ", penwidth="4", color="#00688b93"];
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    "[core/src/main/java/org/apache/calcite/sql/fun/SqlStdOperatorTable.java]" -- "[core/src/main/java/org/apache/calcite/runtime/SqlFunctions.java]" [label=" 4 ", penwidth="4", color="#00688b93"];
    "[core/src/main/java/org/apache/calcite/sql/validate/SqlDelegatingConformance.java]" -- "[core/src/main/java/org/apache/calcite/sql/validate/SqlConformanceEnum.java]" [label=" 4 ", penwidth="4", color="#00688b93"];
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    "[core/src/main/java/org/apache/calcite/sql/validate/SqlDelegatingConformance.java]" -- "[core/src/main/java/org/apache/calcite/sql/validate/SqlAbstractConformance.java]" [label=" 4 ", penwidth="4", color="#00688b93"];
    "[core/src/main/java/org/apache/calcite/sql/validate/SqlConformanceEnum.java]" -- "[core/src/main/java/org/apache/calcite/sql/validate/SqlAbstractConformance.java]" [label=" 4 ", penwidth="4", color="#00688b93"];
    "[core/src/main/java/org/apache/calcite/sql/SqlDialectFactoryImpl.java]" -- "[core/src/main/java/org/apache/calcite/sql/SqlDialect.java]" [label=" 3 ", penwidth="3", color="#00688b82"];
    "[core/src/main/java/org/apache/calcite/sql/SqlKind.java]" -- "[core/src/main/java/org/apache/calcite/sql/fun/SqlLibraryOperators.java]" [label=" 3 ", penwidth="3", color="#00688b82"];
    "[core/src/main/java/org/apache/calcite/sql/SqlKind.java]" -- "[core/src/main/java/org/apache/calcite/adapter/enumerable/RexImpTable.java]" [label=" 3 ", penwidth="3", color="#00688b82"];
    "[core/src/main/java/org/apache/calcite/sql/fun/SqlStdOperatorTable.java]" -- "[core/src/main/java/org/apache/calcite/adapter/enumerable/RexImpTable.java]" [label=" 3 ", penwidth="3", color="#00688b82"];
    "[core/src/main/java/org/apache/calcite/sql/SqlKind.java]" -- "[core/src/main/java/org/apache/calcite/runtime/SqlFunctions.java]" [label=" 3 ", penwidth="3", color="#00688b82"];
    "[core/src/main/java/org/apache/calcite/runtime/SqlFunctions.java]" -- "[core/src/main/java/org/apache/calcite/adapter/enumerable/RexToLixTranslator.java]" [label=" 3 ", penwidth="3", color="#00688b82"];
    "[core/src/main/java/org/apache/calcite/sql/validate/SqlValidatorImpl.java]" -- "[core/src/main/java/org/apache/calcite/sql/validate/SqlDelegatingConformance.java]" [label=" 2 ", penwidth="2", color="#00688b70"];
    "[testkit/src/main/java/org/apache/calcite/sql/parser/SqlParserTest.java]" -- "[core/src/main/java/org/apache/calcite/util/BuiltInMethod.java]" [label=" 2 ", penwidth="2", color="#00688b70"];
    "[testkit/src/main/java/org/apache/calcite/sql/parser/SqlParserTest.java]" -- "[core/src/main/java/org/apache/calcite/runtime/SqlFunctions.java]" [label=" 2 ", penwidth="2", color="#00688b70"];
    "[core/src/main/java/org/apache/calcite/rex/RexLiteral.java]" -- "[core/src/main/java/org/apache/calcite/rex/RexBuilder.java]" [label=" 2 ", penwidth="2", color="#00688b70"];
    "[core/src/main/java/org/apache/calcite/sql/fun/SqlStdOperatorTable.java]" -- "[core/src/main/java/org/apache/calcite/util/BuiltInMethod.java]" [label=" 2 ", penwidth="2", color="#00688b70"];
    "[core/src/main/java/org/apache/calcite/rel/core/Uncollect.java]" -- "[core/src/main/java/org/apache/calcite/sql/SqlUnnestOperator.java]" [label=" 2 ", penwidth="2", color="#00688b70"];
    "[core/src/main/java/org/apache/calcite/sql/type/SqlTypeUtil.java]" -- "[core/src/main/java/org/apache/calcite/sql/validate/implicit/AbstractTypeCoercion.java]" [label=" 2 ", penwidth="2", color="#00688b70"];
    "[core/src/main/java/org/apache/calcite/sql/SqlKind.java]" -- "[core/src/main/java/org/apache/calcite/util/BuiltInMethod.java]" [label=" 2 ", penwidth="2", color="#00688b70"];
    "[core/src/main/java/org/apache/calcite/sql/fun/SqlStdOperatorTable.java]" -- "[core/src/main/java/org/apache/calcite/sql/validate/SqlValidatorImpl.java]" [label=" 2 ", penwidth="2", color="#00688b70"];
    "[core/src/main/java/org/apache/calcite/sql/type/SqlTypeName.java]" -- "[core/src/main/java/org/apache/calcite/sql/type/SqlTypeCoercionRule.java]" [label=" 2 ", penwidth="2", color="#00688b70"];
    "[core/src/main/java/org/apache/calcite/util/BuiltInMethod.java]" -- "[core/src/main/java/org/apache/calcite/adapter/enumerable/RexToLixTranslator.java]" [label=" 2 ", penwidth="2", color="#00688b70"];
    "[core/src/main/java/org/apache/calcite/sql/fun/SqlStdOperatorTable.java]" -- "[core/src/main/java/org/apache/calcite/sql/validate/SqlDelegatingConformance.java]" [label=" 2 ", penwidth="2", color="#00688b70"];
    "[core/src/main/java/org/apache/calcite/sql/validate/implicit/AbstractTypeCoercion.java]" -- "[core/src/main/java/org/apache/calcite/adapter/enumerable/RexToLixTranslator.java]" [label=" 2 ", penwidth="2", color="#00688b70"];
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    "[core/src/main/java/org/apache/calcite/rel/rules/ExpandDisjunctionForTableRule.java]" -- "[core/src/main/java/org/apache/calcite/rel/rules/CoreRules.java]" [label=" 2 ", penwidth="2", color="#00688b70"];
    "[core/src/main/java/org/apache/calcite/sql/fun/SqlStdOperatorTable.java]" -- "[core/src/main/java/org/apache/calcite/sql/validate/SqlConformance.java]" [label=" 2 ", penwidth="2", color="#00688b70"];
    "[core/src/main/java/org/apache/calcite/sql/fun/SqlStdOperatorTable.java]" -- "[core/src/main/java/org/apache/calcite/sql/validate/SqlConformanceEnum.java]" [label=" 2 ", penwidth="2", color="#00688b70"];
    "[core/src/main/java/org/apache/calcite/sql/fun/SqlStdOperatorTable.java]" -- "[core/src/main/java/org/apache/calcite/sql/SqlKind.java]" [label=" 2 ", penwidth="2", color="#00688b70"];
    "[core/src/main/java/org/apache/calcite/sql/type/ReturnTypes.java]" -- "[core/src/main/java/org/apache/calcite/sql/fun/SqlLibraryOperators.java]" [label=" 2 ", penwidth="2", color="#00688b70"];
    "[core/src/main/java/org/apache/calcite/sql/validate/SqlValidatorImpl.java]" -- "[core/src/main/java/org/apache/calcite/sql/validate/SqlConformance.java]" [label=" 2 ", penwidth="2", color="#00688b70"];
    "[core/src/main/java/org/apache/calcite/tools/RelBuilder.java]" -- "[core/src/main/java/org/apache/calcite/rel/rules/SubQueryRemoveRule.java]" [label=" 2 ", penwidth="2", color="#00688b70"];
    "[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/sql/validate/SqlValidatorImpl.java]" -- "[core/src/main/java/org/apache/calcite/sql/validate/SqlAbstractConformance.java]" [label=" 2 ", penwidth="2", color="#00688b70"];
    "[core/src/main/java/org/apache/calcite/sql/type/SqlTypeCoercionRule.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/schema/lookup/Named.java]" -- "[core/src/main/java/org/apache/calcite/schema/Schemas.java]" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "[core/src/main/java/org/apache/calcite/schema/Schemas.java]" -- "[core/src/main/java/org/apache/calcite/adapter/jdbc/JdbcSchema.java]" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "[core/src/main/java/org/apache/calcite/schema/lookup/SnapshotLookup.java]" -- "[core/src/main/java/org/apache/calcite/prepare/CalciteCatalogReader.java]" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "[core/src/main/java/org/apache/calcite/schema/lookup/TransformingLookup.java]" -- "[core/src/main/java/org/apache/calcite/adapter/clone/CloneSchema.java]" [label=" 1 ", penwidth="1", color="#00688b5E"];
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    "[core/src/main/java/org/apache/calcite/schema/Schemas.java]" -- "[core/src/main/java/org/apache/calcite/jdbc/CalciteMetaImpl.java]" [label=" 1 ", penwidth="1", color="#00688b5E"];

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