code: def get_all_lexers(plugins=True):
      """Return a generator of tuples in the form ``(name, aliases,
      filenames, mimetypes)`` of all know lexers.
  
      If *plugins* is true (the default), plugin lexers supplied by entrypoints
      are also returned.  Otherwise, only builtin ones are considered.
      """
      for item in LEXERS.values():
          yield item[1:]
      if plugins:
          for lexer in find_plugin_lexers():
              yield lexer.name, lexer.aliases, lexer.filenames, lexer.mimetypes
  
imports: import re
  import sys
  import types
  import fnmatch
  from os.path import basename
  from pygments.lexers._mapping import LEXERS
  from pygments.modeline import get_filetype_from_buffer
  from pygments.plugin import find_plugin_lexers
  from pygments.util import ClassNotFound, guess_decode
label_desc: Use image node_id 3 for calling a global function with example usage: get_all_lexers(plugins) without return types