code: def object_to_bytes(self, obj_info, object_queue, start_addr):
      if hasattr(obj_info.obj, "DESCRIPTOR"):
          obj_bytes = self.container_obj_to_bytes(
              obj_info, object_queue, start_addr
          )
      elif obj_info.type is FieldDescriptor.TYPE_STRING:
          obj_bytes = self.pack(
              bytes(obj_info.obj.encode("utf-8")), obj_info.type
          )
      elif obj_info.type is FieldDescriptor.TYPE_BYTES:
          obj_bytes = self.pack(obj_info.obj, obj_info.type)
      elif obj_info.type is TYPE_STRING_EX:
          obj_bytes = self.string_info_to_bytes(
              b"", obj_info.obj, object_queue, start_addr
          )
      elif obj_info.type is TYPE_BYTES_EX:
          obj_bytes = self.bytes_info_to_bytes(
              b"", obj_info.obj, object_queue, start_addr
          )
      else:  # simple obj
          obj_bytes = self.pack(obj_info.obj, obj_info.type)
      return obj_bytes
  
imports: from google.protobuf.descriptor import FieldDescriptor
  from utils.util import mace_check
  import sys
  import struct
  import tempfile
label_desc: Use image node_id 11 for calling the ProtoConverter obj's underlying member method code with example usage: obj.object_to_bytes(obj_info, object_queue, start_addr) and returns: obj_bytes