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/*
* Copyright 2017 The gRPC Authors
*
* 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.grpc;
import com.google.common.util.concurrent.ListenableFuture;
/**
* An internal class. Do not use.
*
* <p>An interface for types that <b>may</b> support instrumentation. If the actual type does not
* support instrumentation, then the future will return a {@code null}.
*/
@Internal
public interface Instrumented<T> extends WithLogId {
/**
* Returns the stats object.
*/
ListenableFuture<T> getStats();
}
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