presto-parquet/src/main/java/io/prestosql/parquet/reader/MetadataReader.java/MetadataReader/readEncodings
class MetadataReader:    private static Set<org.apache.parquet.column.Encoding> readEncodings(List<Encoding> encodings)
    {
        Set<org.apache.parquet.column.Encoding> columnEncodings = new HashSet<>();
        for (Encoding encoding : encodings) {
            columnEncodings.add(org.apache.parquet.column.Encoding.valueOf(encoding.name()));
        }
        return Collections.unmodifiableSet(columnEncodings);
    }