code: def _SkipGroup(buffer, pos, end):
      """Skip sub-group.  Returns the new position."""
  
      while 1:
          (tag_bytes, pos) = ReadTag(buffer, pos)
          new_pos = SkipField(buffer, pos, end, tag_bytes)
          if new_pos == -1:
              return pos
          pos = new_pos
  
imports: import math
  import struct
  from google.protobuf.internal import containers
  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: _SkipGroup(buffer, pos, end) and returns: pos