class_docstr: Scheduler interface.
class_docstr_tok: ["Scheduler","interface","."]
code: def _add_arguments(parser: _PrefixParser):
      pass
  
imports: import argparse
  from espnet.utils.dynamic_import import dynamic_import
  from espnet.utils.fill_missing_args import fill_missing_args
label_desc: Use image node_id 4 for calling the SchedulerInterface obj's underlying member method code with example usage: obj._add_arguments(parser) without return types