code: def _EndGroup(buffer, pos, end):
      """Skipping an END_GROUP tag returns -1 to tell the parent loop to break."""
  
      return -1
  
imports: import struct
  import six
  from google.protobuf.internal import encoder
  from google.protobuf.internal import wire_format
  from google.protobuf import message
label_desc: Use image node_id 20 for calling a global function with example usage: _EndGroup(buffer, pos, end) and returns: unknown