public int METHOD_1 ( TYPE_1 VAR_1 ) { <BUG> return METHOD_2 ( ) . METHOD_3 ( ) . METHOD_1 ( ) ;</BUG> }
public int METHOD_1 ( TYPE_1 VAR_1 ) { return ( METHOD_2 ( ) ) != null ? METHOD_2 ( ) . METHOD_3 ( ) . METHOD_1 ( ) : 0 ; } 
