code: def _preview_merge_skipped_files(merge, preview_only):
      if not merge.to_skip:
          return
      if preview_only:
          _preview_skipped_files_full(merge)
      else:
          _preview_skipped_files_summary(merge)
  
imports: import os
  from guild import cli
  from guild import cmd_impl_support
  from guild import config
  from guild import exit_code
  from guild import run_merge
  from guild import run_util
  from guild import util
  from guild import vcs_util
  from .None import runs_impl
label_desc: Use image node_id 29 for calling a global function with example usage: _preview_merge_skipped_files(merge, preview_only) without return types