= @Domain.Include
:Notice: Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at. http://www.apache.org/licenses/LICENSE-2.0 . Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR  CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Indicates that a field or method must contribute to the metamodel.

For _mixins_ is also allowed to be placed on the mixin's main method.

By placing the _Domain.Include_ annotation on a method or field, a contract with the meta-model is enforced, such that this class-member must be recognized by the meta-model and cannot be ignored. Meta-model validation will fail when this contract is violated.

Acts as the semantic counterpart to _Domain.Exclude_ .

== API

[source,java]
.Domain_Include.java
----
@interface Include {
}
----

