content: /*
   * 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.
   */
  package org.apache.beam.sdk.testing;
  
  import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
  import com.fasterxml.jackson.databind.annotation.JsonSerialize;
  import java.io.Serializable;
  import org.hamcrest.Matcher;
  
  /**
   * A {@link Matcher} that is also {@link Serializable}.
   *
   * <p>Such matchers can be used with {@link PAssert}, which builds pipelines such that these
   * matchers may be serialized and executed remotely.
   *
   * <p>To create a {@code SerializableMatcher}, extend {@link org.hamcrest.BaseMatcher} and also
   * implement this interface.
   *
   * @param <T> The type of value matched.
   */
  @JsonSerialize(using = MatcherSerializer.class)
  @JsonDeserialize(using = MatcherDeserializer.class)
  public interface SerializableMatcher<T> extends Matcher<T>, Serializable {}
  