code: def get_task_name_prefix(dataset: TaskConfig, add_split=True):
      if add_split:
          return dataset.task_name + f" {text_start}"
      else:
          return dataset.task_name
  
file_path: DeepKE/src/deepke/name_entity_re/cross/extraction/dataset_processer.py
imports: from ..extraction.record_schema import RecordSchema
  from ..extraction.constants import spot_prompt, asoc_prompt, text_start
label_desc: Use image node_id 6 for calling the PrefixGenerator obj's underlying member method code with example usage: obj.get_task_name_prefix(dataset, add_split) and returns: unknown, dataset