code: def num_spans(self):
      return 2
  
file_path: jiant/jiant/tasks/lib/edge_probing/srl.py
imports: from dataclasses import dataclass
  from jiant.tasks.lib.templates.shared import labels_to_bimap
  from jiant.tasks.lib.templates import edge_probing_two_span
  from jiant.utils.python.io import read_json_lines
label_desc: Use image node_id 1 for calling the SrlTask obj's underlying member method code with example usage: obj.num_spans() and returns: int