class_docstr: Summary of diffs between two protos.
class_docstr_tok: ["Summary","of","diffs","between","two","protos","."]
code: def proto_b(self):
      return self._proto_b
  
imports: import deepdiff
  from google.protobuf import json_format
label_desc: Use image node_id 3 for calling the ProtoDiffs obj's underlying member method code with example usage: obj.proto_b() and returns: self