#NEWLINE# def get_cache_keys( self ) : #NEWLINE# #INDENT# '\n        Get a list of all cache keys associated with this model.\n        This queries the associated plugin for the cache keys it used to store the output at.\n        ' #NEWLINE# if ( not self . placeholder_id ) : #NEWLINE# #INDENT# return [ ] #NEWLINE# #UNINDENT# placeholder = self . placeholder #NEWLINE# keys = [ get_placeholder_cache_key ( placeholder , self . language_code ) ] #NEWLINE# keys . extend ( self . plugin . get_output_cache_keys ( placeholder . slot , self ) ) #NEWLINE# return keys