public java.util.Set < TYPE_1 > METHOD_1 ( char VAR_1 ) { return this . VAR_2 . METHOD_1 ( VAR_1 ) ; } 

public java.util.Set < TYPE_1 > METHOD_1 ( java.lang.String VAR_1 ) { return this . VAR_2 . METHOD_1 ( VAR_1 ) ; } 
