code: def next_history(event):
      "Move `forward` through the history list, fetching the next command."
      event.current_buffer.history_forward(count=event.arg)
  
imports: from __future__ import unicode_literals
  from prompt_toolkit.enums import IncrementalSearchDirection, SEARCH_BUFFER
  from prompt_toolkit.selection import PasteMode
  from six.moves import range
  import six
  from .completion import generate_completions, display_completions_like_readline
  from prompt_toolkit.document import Document
  from prompt_toolkit.enums import EditingMode
  from prompt_toolkit.key_binding.input_processor import KeyPress
  from prompt_toolkit.keys import Keys
label_desc: Use image node_id 13 for calling a global function with example usage: next_history(event) without return types