public void delete ( TYPE_1 key ) { TYPE_2 < TYPE_1 , TYPE_3 > . VAR_1 node = METHOD_1 ( key , VAR_2 ) ; if ( node == null ) { return ; } delete ( key , node ) ; } 

public void delete ( TYPE_1 key ) { VAR_2 = delete ( key , VAR_2 ) ; } 
