/*
 * 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.io.kafka;

import java.io.Serializable;
import java.util.Map;
import org.apache.beam.sdk.annotations.Experimental;
import org.apache.beam.sdk.annotations.Experimental.Kind;
import org.apache.beam.sdk.coders.Coder;
import org.apache.beam.sdk.coders.CoderRegistry;
import org.apache.kafka.common.serialization.Deserializer;

/** Provides a configured {@link Deserializer} instance and its associated {@link Coder}. */
@Experimental(Kind.SOURCE_SINK)
interface DeserializerProvider<T> extends Serializable {

  Deserializer<T> getDeserializer(Map<String, ?> configs, boolean isKey);

  Coder<T> getCoder(CoderRegistry coderRegistry);
}

@@ -1275,16 +1275,23 @@
 E_SINK)%0A
+public 
 interfac

make DeserializerProvider a public interface (#16339)