class_docstr: Toolbar for a system prompt.
  
  :param prompt: Prompt to be displayed to the user.
class_docstr_tok: ["Toolbar","for","a","system","prompt",".",":","param","prompt",":","Prompt","to","be","displayed","to","the","user","."]
code: def __pt_container__(self) -> Container:
      return self.container
  
imports: from __future__ import annotations
  from typing import Any
  from prompt_toolkit.application.current import get_app
  from prompt_toolkit.buffer import Buffer
  from prompt_toolkit.enums import SYSTEM_BUFFER
  from prompt_toolkit.filters import Condition, FilterOrBool, emacs_mode, has_arg, has_completions, has_focus, has_validation_error, to_filter, vi_mode, vi_navigation_mode
  from prompt_toolkit.formatted_text import AnyFormattedText, StyleAndTextTuples, fragment_list_len, to_formatted_text
  from prompt_toolkit.key_binding.key_bindings import ConditionalKeyBindings, KeyBindings, KeyBindingsBase, merge_key_bindings
  from prompt_toolkit.key_binding.key_processor import KeyPressEvent
  from prompt_toolkit.key_binding.vi_state import InputMode
  from prompt_toolkit.keys import Keys
  from prompt_toolkit.layout.containers import ConditionalContainer, Container, Window
  from prompt_toolkit.layout.controls import BufferControl, FormattedTextControl, SearchBufferControl, UIContent, UIControl
  from prompt_toolkit.layout.dimension import Dimension
  from prompt_toolkit.layout.processors import BeforeInput
  from prompt_toolkit.lexers import SimpleLexer
  from prompt_toolkit.search import SearchDirection
label_desc: Use image node_id 4 for calling the SystemToolbar obj's underlying member method code with example usage: obj.__pt_container__() and returns: self