presto-parquet/src/main/java/io/prestosql/parquet/ParquetCompressionUtils.java/ParquetCompressionUtils/decompressLz4
class ParquetCompressionUtils:    private static Slice decompressLz4(Slice input, int uncompressedSize)
    {
        return decompressFramed(new Lz4Decompressor(), input, uncompressedSize);
    }