/**
 * @license
 * Copyright 2017 Google LLC
 *
 * 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 { Query } from '../api/Query';
/**
 * Interface defining the set of actions that can be performed against the Firebase server
 * (basically corresponds to our wire protocol).
 *
 * @interface
 */
export declare abstract class ServerActions {
    /**
     * @param {!Query} query
     * @param {function():string} currentHashFn
     * @param {?number} tag
     * @param {function(string, *)} onComplete
     */
    abstract listen(query: Query, currentHashFn: () => string, tag: number | null, onComplete: (a: string, b: unknown) => void): void;
    /**
     * Remove a listen.
     *
     * @param {!Query} query
     * @param {?number} tag
     */
    abstract unlisten(query: Query, tag: number | null): void;
    /**
     * @param {string} pathString
     * @param {*} data
     * @param {function(string, string)=} onComplete
     * @param {string=} hash
     */
    put(pathString: string, data: unknown, onComplete?: (a: string, b: string) => void, hash?: string): void;
    /**
     * @param {string} pathString
     * @param {*} data
     * @param {function(string, ?string)} onComplete
     * @param {string=} hash
     */
    merge(pathString: string, data: unknown, onComplete: (a: string, b: string | null) => void, hash?: string): void;
    /**
     * Refreshes the auth token for the current connection.
     * @param {string} token The authentication token
     */
    refreshAuthToken(token: string): void;
    /**
     * @param {string} pathString
     * @param {*} data
     * @param {function(string, string)=} onComplete
     */
    onDisconnectPut(pathString: string, data: unknown, onComplete?: (a: string, b: string) => void): void;
    /**
     * @param {string} pathString
     * @param {*} data
     * @param {function(string, string)=} onComplete
     */
    onDisconnectMerge(pathString: string, data: unknown, onComplete?: (a: string, b: string) => void): void;
    /**
     * @param {string} pathString
     * @param {function(string, string)=} onComplete
     */
    onDisconnectCancel(pathString: string, onComplete?: (a: string, b: string) => void): void;
    /**
     * @param {Object.<string, *>} stats
     */
    reportStats(stats: {
        [k: string]: unknown;
    }): void;
}