parameters: (self, key, **kw)
docstring: r"""Invalidate a value in the cache.
  
          :param key: the value's key.
          :param \**kw: cache configuration arguments.
docstring_summary: r"""Invalidate a value in the cache.
docstring_tokens: r Invalidate a value in the cache .
function: def invalidate(self, key, **kw):
          r"""Invalidate a value in the cache.
  
          :param key: the value's key.
          :param \**kw: cache configuration arguments.
  
          """
          raise NotImplementedError()
function_tokens: def invalidate ( self , key , * * kw ) : raise NotImplementedError ( )