docstr: Integer identifier for api request/response
docstr_tok: ["Integer","identifier","for","api","request\/response"]
code: def API_KEY(self):
      """Integer identifier for api request/response"""
      pass
  
imports: from __future__ import absolute_import
  import abc
  from kafka.protocol.struct import Struct
  from kafka.protocol.types import Int16, Int32, String, Schema, Array, TaggedFields
label_desc: Use image node_id 1 for calling the Response obj's underlying member method code with example usage: obj.API_KEY() without return types