class_docstr: Common part for ConditionalKeyBindings and _MergedKeyBindings.
code: def get_bindings_for_keys(self, keys: KeysTuple) -> list[Binding]:
      self._update_cache()
      return self._bindings2.get_bindings_for_keys(keys)
  
imports: from __future__ import annotations
  from abc import ABCMeta, abstractmethod, abstractproperty
  from inspect import isawaitable
  from typing import TYPE_CHECKING, Any, Callable, Coroutine, Hashable, Sequence, Tuple, TypeVar, Union, cast
  from prompt_toolkit.cache import SimpleCache
  from prompt_toolkit.filters import FilterOrBool, Never, to_filter
  from prompt_toolkit.keys import KEY_ALIASES, Keys
label_desc: Use image node_id 5 for calling the _Proxy obj's underlying member method code with example usage: obj.get_bindings_for_keys(keys) and returns: self