/**
* Copyright (c) 2016-present, RxJava Contributors.
*
* 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 io.reactivex.observers;
/**
* An interface that indicates that the implementing type is composed of individual components and exposes information
* about their behavior.
*
* <p><em>NOTE:</em> This is considered a read-only public API and is not intended to be implemented externally.
* <p>History: 2.1.4 - experimental
* @since 2.2
*/
public interface LambdaConsumerIntrospection {
/**
* Returns true or false if a custom onError consumer has been provided.
* @return {@code true} if a custom onError consumer implementation was supplied. Returns {@code false} if the
* implementation is missing an error consumer and thus using a throwing default implementation.
*/
boolean hasCustomOnError();
}