code: def predict_load_sample(self, metadata: Any):
      raise NotImplementedError
  
imports: import os
  from os.path import basename, dirname, exists, isdir, isfile, join
  from typing import Any, Dict, List, Optional, Type, Union
  import yaml
  from flash.core.data.io.input import BaseDataFormat, Input
  from flash.core.utilities.imports import _TOPIC_POINTCLOUD_AVAILABLE
label_desc: Use image node_id 5 for calling the BasePointCloudObjectDetectorLoader obj's underlying member method code with example usage: obj.predict_load_sample(metadata) without return types