code: def _default_diff_cmd_():
      if util.get_platform() == "Linux":
          return _find_cmd(
              ["meld", "xxdiff -r", "dirdiff", "colordiff"]
          )
      if util.get_platform() == "Darwin":
          return _find_cmd(
              ["Kaleidoscope", "meld", "DiffMerge", "FileMerge"]
          )
      return DEFAULT_DIFF_CMD
  
imports: import logging
  import os
  import re
  import subprocess
  from guild import cli
  from guild import click_util
  from guild import cmd_impl_support
  from guild import config
  from guild import run_util
  from guild import util
  from .None import remote_impl_support
  from .None import runs_impl
label_desc: Use image node_id 24 for calling a global function with example usage: _default_diff_cmd_() and returns: DEFAULT_DIFF_CMD, _find_cmd, _find_cmd