def METHOD_NAME() -> tink_pb2.Keyset:
  keyset = tink_pb2.Keyset()
  keyset.primary_key_id = 42
  key = keyset.key.add()
  key.key_data.type_url = u'type.googleapis.com/google.crypto.tink.AesGcmKey'
  key.key_data.key_material_type = tink_pb2.KeyData.SYMMETRIC
  key.key_data.value = b'GhCS/1+ejWpx68NfGt6ziYHd'
  key.output_prefix_type = tink_pb2.TINK
  key.key_id = 42
  key.status = tink_pb2.ENABLED
  return keyset