code: def config_path(cls):
      return "config/datasets/retrieval/flickr30k_defaults.yaml"
  
imports: from mmf.common.registry import registry
  from mmf.datasets.builders.retrieval.dataset import RetrievalDataset
  from mmf.datasets.mmf_dataset_builder import MMFDatasetBuilder
label_desc: Use image node_id 1 for calling a global function with example usage: config_path(cls) and returns: str