code: def _format_file_select_rule_extras(self):
      parts = []
      if self.regex:
          parts.append("regex")
      if self.sentinel:
          parts.append(f"containing {_quote_pattern(self.sentinel)}")
      if self.size_gt:
          parts.append(f"size > {self.size_gt}")
      if self.size_lt:
          parts.append(f"size < {self.size_lt}")
      if self.max_matches:
          parts.append(f"max match {self.max_matches}")
      return ", ".join(parts)
  
imports: import fnmatch
  import glob
  import logging
  import os
  import re
  import shutil
  from guild import util
label_desc: Use image node_id 3 for calling the FileSelectRule obj's underlying member method code with example usage: obj._format_file_select_rule_extras() and returns: str