Path	Lines of Code
parquet-arrow/src/main/java/org/apache/parquet/arrow/schema/List3Levels.java	34
parquet-arrow/src/main/java/org/apache/parquet/arrow/schema/Map3Levels.java	39
parquet-arrow/src/main/java/org/apache/parquet/arrow/schema/SchemaConverter.java	727
parquet-arrow/src/main/java/org/apache/parquet/arrow/schema/SchemaMapping.java	146