class_docstr: Class for reading Variant protos from VCF or TFRecord files.
class_docstr_tok: ["Class","for","reading","Variant","protos","from","VCF","or","TFRecord","files","."]
code: def _record_proto(self):
      return variants_pb2.Variant
  
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 vcf_reader
  from third_party.nucleus.io.python import vcf_writer
  from third_party.nucleus.protos import variants_pb2
  from third_party.nucleus.util import ranges
  from third_party.nucleus.util import variant_utils
  from third_party.nucleus.util import vcf_constants
label_desc: Use image node_id 2 for calling the VcfReader obj's underlying member method code with example usage: obj._record_proto() and returns: variants_pb2