/// <reference types="express" />
/// <reference types="winston" />
/// <reference types="node" />
import * as express from "express";
import * as winston from "winston";
export declare abstract class BasePlugin {
    INSTANCE_CONTEXT_CACHE_EXPIRATION: number;
    pluginCache: any;
    gatewayHost: string;
    gatewayPort: number;
    outboundPlatformUrl: string;
    app: express.Application;
    logger: winston.LoggerInstance;
    worker_id: string;
    authentication_token: string;
    _transport: any;
    protected onLogLevelUpdate(req: express.Request, res: express.Response): void;
    private initLogLevelUpdateRoute();
    protected onLogLevelRequest(req: express.Request, res: express.Response): void;
    private initLogLevelGetRoute();
    protected onStatusRequest(req: express.Request, res: express.Response): void;
    private initStatusRoute();
    fetchDataFile(uri: string): Promise<Buffer>;
    fetchConfigurationFile(fileName: string): Promise<Buffer>;
    requestGatewayHelper(method: string, uri: string, body?: any, qs?: any, isJson?: boolean, isBinary?: boolean): Promise<any>;
    protected onInitRequest(req: express.Request, res: express.Response): void;
    private initInitRoute();
    protected asyncMiddleware: (fn: (req: express.Request, res: express.Response, next: express.NextFunction) => any) => (req: express.Request, res: express.Response, next: express.NextFunction) => void;
    protected setErrorHandler(): void;
    start(): void;
    constructor();
}