code: def load_key_bindings() -> KeyBindingsBase:
      """
      Create a KeyBindings object that contains the default key bindings.
      """
      all_bindings = merge_key_bindings(
          [
              # Load basic bindings.
              load_basic_bindings(),
              # Load emacs bindings.
              load_emacs_bindings(),
              load_emacs_search_bindings(),
              load_emacs_shift_selection_bindings(),
              # Load Vi bindings.
              load_vi_bindings(),
              load_vi_search_bindings(),
          ]
      )
  
      return merge_key_bindings(
          [
              # Make sure that the above key bindings are only active if the
              # currently focused control is a `BufferControl`. For other controls, we
              # don't want these key bindings to intervene. (This would break "ptterm"
              # for instance, which handles 'Keys.Any' in the user control itself.)
              ConditionalKeyBindings(all_bindings, buffer_has_focus),
              # Active, even when no buffer has been focused.
              load_mouse_bindings(),
              load_cpr_bindings(),
          ]
      )
  
file_path: catboost/contrib/python/prompt-toolkit/py3/prompt_toolkit/key_binding/defaults.py
imports: from __future__ import annotations
  from prompt_toolkit.filters import buffer_has_focus
  from prompt_toolkit.key_binding.bindings.basic import load_basic_bindings
  from prompt_toolkit.key_binding.bindings.cpr import load_cpr_bindings
  from prompt_toolkit.key_binding.bindings.emacs import load_emacs_bindings, load_emacs_search_bindings, load_emacs_shift_selection_bindings
  from prompt_toolkit.key_binding.bindings.mouse import load_mouse_bindings
  from prompt_toolkit.key_binding.bindings.vi import load_vi_bindings, load_vi_search_bindings
  from prompt_toolkit.key_binding.key_bindings import ConditionalKeyBindings, KeyBindingsBase, merge_key_bindings
label_desc: Use image node_id 1 for calling a global function with example usage: load_key_bindings() and returns: merge_key_bindings