config-servlet/src/main/java/org/ocpsoft/rewrite/servlet/config/Response.java
public static ConditionBuilder isCommitted()
   {
      return new HttpCondition() {
         @Override
         public boolean evaluateHttp(HttpServletRewrite event, EvaluationContext context)
         {
            return event.getResponse().isCommitted();
         }

         @Override
         public String toString()
         {
            return "Response.isCommitted()";
         }
      };
   }
public static ConditionBuilder isCommitted()
   {
      return new HttpCondition() {
         @Override
         public boolean evaluateHttp(HttpServletRewrite event, EvaluationContext context)
         {
            return event.getResponse().isCommitted();
         }

         @Override
         public String toString()
         {
            return "Response.isCommitted()";
         }
      };
   }
Create a {@link Condition} that evaluates the status of {@link HttpServletResponse#isCommitted()}.