public java.util.Set < TYPE_1 > METHOD_1 ( ) { <BUG> if ( METHOD_1 ( ) . isEmpty ( ) ) {</BUG> METHOD_2 ( new TYPE_2 ( ) ) ; } return super . METHOD_1 ( ) ; }
public java.util.Set < TYPE_1 > METHOD_1 ( ) { if ( super . METHOD_1 ( ) . isEmpty ( ) ) { METHOD_2 ( new TYPE_2 ( ) ) ; } return super . METHOD_1 ( ) ; } 
