/**
 * Copyright 2017-2020 Plexus Interop Deutsche Bank AG
 * SPDX-License-Identifier: Apache-2.0
 *
 * 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.
 */
import { Observer } from '@plexus-interop/common';
import { UniqueId } from '@plexus-interop/transport-common';
export declare class LogInvocationObserver<T> implements Observer<T> {
    private _next?;
    private id;
    constructor(_next?: ((data: T) => void) | undefined, id?: UniqueId);
    streamCompleted(): void;
    complete(): void;
    next(data: T): void;
    error(error: any): void;
}