/*
 * Copyright 2021, TeamDev. All rights reserved.
 *
 * 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
 *
 * Redistribution and use in source and/or binary forms, with or without
 * modification, must retain the above copyright notice and the following
 * disclaimer.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package io.spine.client;

import com.google.protobuf.Message;
import io.spine.base.MessageContext;

import java.util.function.BiConsumer;

/**
 * Functional interface for consumers of messages.
 *
 * @param <M>
 *         the type of the messages consumed
 * @param <C>
 *         the type of the context of messages
 */
@FunctionalInterface
interface MessageConsumer<M extends Message, C extends MessageContext>
        extends BiConsumer<M, C> {
}

@@ -1553,16 +1553,269 @@
 essages%0A
+ * @apiNote This type is %7B@code public%7D, as it is a part of the %7B@code Client%7D API.%0A *         See %7B@link CommandRequest#onConsumingError(ConsumerErrorHandler)%0A *         CommandRequest.onConsumingError(..)%7D and %7B@link ConsumerErrorHandler%7D for usages.%0A
  */%0A@Fun
@@ -1831,16 +1831,23 @@
 terface%0A
+public 
 interfac

Make the type more visible and explain why.