private java.util.Set < TYPE_1 > METHOD_1 ( ) { if ( ( VAR_1 ) == null ) VAR_1 = new TYPE_2 < TYPE_1 > ( ) ; return VAR_1 ; } 

private java.util.Set < TYPE_1 > METHOD_1 ( ) { if ( ( VAR_1 ) == null ) VAR_1 = new java.util.HashSet < > ( ) ; return VAR_1 ; } 
