class_docstr: Class for writing to native GFF files.
  
  Most users will want GffWriter, which will write to either native GFF
  files or TFRecord files, based on the output filename's extension.
class_docstr_tok: ["Class","for","writing","to","native","GFF","files",".","Most","users","will","want","GffWriter",",","which","will","write","to","either","native","GFF","files","or","TFRecord","files",",","based","on","the","output","filename","'s","extension","."]
code: def write(self, proto):
      self._writer.write(proto)
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from third_party.nucleus.io import genomics_reader
  from third_party.nucleus.io import genomics_writer
  from third_party.nucleus.io.python import gff_reader
  from third_party.nucleus.io.python import gff_writer
  from third_party.nucleus.protos import gff_pb2
label_desc: Use image node_id 2 for calling the NativeGffWriter obj's underlying member method code with example usage: obj.write(proto) without return types