public java.lang.String METHOD_1 ( ) { TYPE_1 TYPE_2 = TYPE_1 . METHOD_2 ( ) ; <BUG> if ( TYPE_2 == null ) {return null ;}</BUG> return ( TYPE_2 . METHOD_3 ( ) ) + ( TYPE_3 . METHOD_4 ( ) ) ; }
public java.lang.String METHOD_1 ( ) { TYPE_1 TYPE_2 = TYPE_1 . METHOD_2 ( ) ; return ( TYPE_2 . METHOD_3 ( ) ) + ( TYPE_3 . METHOD_4 ( ) ) ; } 
