import type log from './log';
export declare abstract class Plugin {
    readonly name: string;
    constructor(name: string);
    abstract initialize(logger: log.Logger): void;
    abstract factory(logger: log.Logger | log.ReadonlyLogger, level: log.Level, config: AnyObject): log.LoggingMethod | undefined;
    abstract notifyOfChange(logger: log.Logger): void;
}