code: def register_main(subparser) -> "None":
      parser = subparser.add_parser(
          "summarize",
          help="Summarize a benchmark json results file.",
          description="Summarize a benchmark json results file",
      )
      parser.add_argument(
          "files", type=str, nargs="*", help="JSON files to summarize."
      )
      parser.set_defaults(main=lambda args: summarize(args.files))
  
imports: import json
  import logging
  from .None import init_logging
label_desc: Use image node_id 2 for calling a global function with example usage: register_main(subparser) without return types