content: /*
   * Copyright (C) 2016 The Android Open Source Project
   *
   * Licensed 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.
   *
   */
  package androidx.test.espresso.remote.annotation;
  
  import java.lang.annotation.ElementType;
  import java.lang.annotation.Retention;
  import java.lang.annotation.RetentionPolicy;
  import java.lang.annotation.Target;
  
  /**
   * Class fields annotated with the {@link RemoteMsgField} annotation are automatically serialised to
   * their proto representation when used in combination with a {@link
   * androidx.test.espresso.remote.GenericRemoteMessage}.
   *
   * <p>The order field is mandatory and represents the declared field order in the class this
   * annotation is used in. The order must match the declared constructor param types of the
   * constructor annotated with {{@link RemoteMsgConstructor}}.
   *
   * @see androidx.test.espresso.remote.GenericRemoteMessage
   */
  @Retention(RetentionPolicy.RUNTIME)
  @Target({ElementType.FIELD})
  public @interface RemoteMsgField {
    /** Returns the order of this field. Order values need to start with 0. */
    int order();
  }
  