public static java.util.Set < TYPE_1 > METHOD_1 ( ) { TYPE_2 . METHOD_2 ( ) ; return VAR_1 ; } 

public static java.util.Set < TYPE_1 > METHOD_1 ( ) { if ( ( VAR_1 . size ( ) ) == 0 ) { TYPE_2 . METHOD_2 ( ) ; } return VAR_1 ; } 
