/**
 * Copyright 2020 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.
 */
/**
 * Interface for logging functionality at different severity levels.
 * @public
 */
export interface ILogger {
    /** @public */
    debug: (...values: any[]) => void;
    /** @public */
    info: (...values: any[]) => void;
    /** @public */
    log: (...values: any[]) => void;
    /** @public */
    warn: (...values: any[]) => void;
    /** @public */
    error: (...values: any[]) => void;
}
export declare const debugLogger: ILogger;
export declare const setLogger: (newLogger?: ILogger) => void;
export declare const getLogger: () => ILogger;