xtable-aws/src/main/java/org/apache/xtable/glue/GlueSchemaExtractor.java [208:224]:
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      case MAP:
        InternalField key =
            fieldSchema.getFields().stream()
                .filter(
                    mapField ->
                        InternalField.Constants.MAP_KEY_FIELD_NAME.equals(mapField.getName()))
                .findFirst()
                .orElseThrow(() -> new SchemaExtractorException("Invalid map schema"));
        InternalField value =
            fieldSchema.getFields().stream()
                .filter(
                    mapField ->
                        InternalField.Constants.MAP_VALUE_FIELD_NAME.equals(mapField.getName()))
                .findFirst()
                .orElseThrow(() -> new SchemaExtractorException("Invalid map schema"));
        return String.format(
            "map<%s,%s>",
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xtable-hive-metastore/src/main/java/org/apache/xtable/hms/HMSSchemaExtractor.java [121:137]:
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      case MAP:
        InternalField key =
            fieldSchema.getFields().stream()
                .filter(
                    mapField ->
                        InternalField.Constants.MAP_KEY_FIELD_NAME.equals(mapField.getName()))
                .findFirst()
                .orElseThrow(() -> new SchemaExtractorException("Invalid map schema"));
        InternalField value =
            fieldSchema.getFields().stream()
                .filter(
                    mapField ->
                        InternalField.Constants.MAP_VALUE_FIELD_NAME.equals(mapField.getName()))
                .findFirst()
                .orElseThrow(() -> new SchemaExtractorException("Invalid map schema"));
        return String.format(
            "map<%s,%s>",
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