code: def SizeOf(cls):
      return 20
  
file_path: flatbuffers/tests/MyGame/Example/StructOfStructs.py
imports: import flatbuffers
  from flatbuffers.compat import import_numpy
  import MyGame.Example.Ability
  import MyGame.Example.Test
label_desc: Use image node_id 1 for calling the StructOfStructs obj's underlying member method code with example usage: obj.SizeOf(cls) and returns: int