public java.util.Set < TYPE_1 > METHOD_1 ( ) { return TYPE_2 . METHOD_2 ( VAR_1 . METHOD_1 ( ) , METHOD_3 ( METHOD_4 ( ) . METHOD_5 ( ) ) ) ; } 

public java.util.Set < ? extends TYPE_1 > METHOD_1 ( ) { return VAR_1 . METHOD_1 ( ) ; } 
