presto-main/src/main/java/io/prestosql/metadata/MetadataManager.java/MetadataManager/getBlockEncoding
class MetadataManager:    @Override
    public BlockEncoding getBlockEncoding(String encodingName)
    {
        BlockEncoding blockEncoding = blockEncodings.get(encodingName);
        checkArgument(blockEncoding != null, "Unknown block encoding: %s", encodingName);
        return blockEncoding;
    }