public java.util.Set < java.lang.Object > METHOD_1 ( ) { VAR_1 . add ( new TYPE_1 ( ) ) ; return VAR_1 ; } 

public java.util.Set < java.lang.Object > METHOD_1 ( ) { if ( VAR_1 . isEmpty ( ) ) { VAR_1 . add ( new TYPE_1 ( ) ) ; } return VAR_1 ; } 
