code: def output_options(fn):
      click_util.append_params(
          fn,
          [
              click.Option(
                  ("-f", "--format"),
                  is_flag=True,
                  help="Format the JSON outout.",
              )
          ],
      )
      return fn
  
imports: import json
  import click
  from guild import click_util
label_desc: Use image node_id 1 for calling a global function with example usage: output_options(fn) and returns: fn