public TYPE_1 METHOD_1 ( java.util.Collection < java.util.List < TYPE_2 > > VAR_1 ) { <BUG> TYPE_3 . METHOD_2 ( ( ( this . VAR_1 ) != null ) , STRING_1 ) ;</BUG> this . VAR_1 = VAR_1 ; return this ; }
public TYPE_1 METHOD_1 ( java.util.Collection < java.util.List < TYPE_2 > > VAR_1 ) { TYPE_3 . METHOD_2 ( ( ( this . VAR_1 ) == null ) , STRING_1 ) ; this . VAR_1 = VAR_1 ; return this ; } 
