<s> from __future__ import unicode_literals <EOL> from abc import ABCMeta , abstractmethod <EOL> from six import with_metaclass <EOL> __all__ = ( <EOL> '<STR_LIT>' , <EOL> ) <EOL> class EventLoopCallbacks ( with_metaclass ( ABCMeta , object ) ) : <EOL> """<STR_LIT>""" <EOL> @ abstractmethod <EOL> def terminal_size_changed ( self ) : <EOL> pass <EOL> @ abstractmethod <EOL> def input_timeout ( self ) : <EOL> pass <EOL> @ abstractmethod <EOL> def feed_key ( self , key ) : <EOL> pass </s>
