code: def _visible_exprs(exprs: Iterable[pyparsing.ParserElement]):
      non_diagramming_exprs = (
          pyparsing.ParseElementEnhance,
          pyparsing.PositionToken,
          pyparsing.And._ErrorStop,
      )
      return [
          e
          for e in exprs
          if not (
              e.customName
              or e.resultsName
              or isinstance(e, non_diagramming_exprs)
          )
      ]
  
imports: import railroad
  import pyparsing
  import typing
  from typing import List, NamedTuple, Generic, TypeVar, Dict, Callable, Set, Iterable
  from jinja2 import Template
  from io import StringIO
  import inspect
label_desc: Use image node_id 7 for calling a global function with example usage: _visible_exprs(exprs) and returns: unknown