public java.util.Set < TYPE_1 > METHOD_1 ( TYPE_2 key ) { if ( ! ( key . METHOD_2 ( ) ) ) { return new TYPE_3 < TYPE_1 > ( ) ; } return METHOD_3 ( key ) ; }
public java.util.Set < TYPE_1 > METHOD_1 ( TYPE_2 key ) { return METHOD_1 ( key , true ) ; }