public TYPE_1 METHOD_1 ( java.util.Set < TYPE_2 > VAR_1 ) { if ( VAR_1 == null ) { VAR_1 = new java.util.HashSet < TYPE_2 > ( ) ; } this . VAR_1 . METHOD_2 ( VAR_1 ) ; return this ; } 

public TYPE_1 METHOD_1 ( java.util.Set < TYPE_2 > VAR_1 ) { if ( ( this . VAR_1 ) == null ) { this . VAR_1 = new java.util.HashSet < TYPE_2 > ( ) ; } this . VAR_1 . METHOD_2 ( VAR_1 ) ; return this ; } 
