import { type Request, type Response, Router } from 'express';
import type { IProxyConfig } from './config';
import type { IClient } from './client';
import type { OpenApiService } from './openapi/openapi-service';
import type { ApiRequestSchema } from './openapi/spec/api-request-schema';
import type { FeaturesSchema } from './openapi/spec/features-schema';
import type { RegisterMetricsSchema } from './openapi/spec/register-metrics-schema';
import type { LookupTogglesSchema } from './openapi/spec/lookup-toggles-schema';
import type { RegisterClientSchema } from './openapi/spec/register-client-schema';
export default class UnleashProxy {
    private logger;
    private clientKeys;
    private serverSideTokens;
    private clientKeysHeaderName;
    private client;
    private contextEnrichers;
    private ready;
    middleware: Router;
    private enableAllEndpoint;
    constructor(client: IClient, config: IProxyConfig, openApiService: OpenApiService);
    private setReady;
    setProxySecrets(clientKeys: string[]): void;
    setClientKeys(clientKeys: string[]): void;
    private readyMiddleware;
    private clientTokenMiddleware;
    private expServerSideTokenMiddleware;
    getAllToggles(req: Request, res: Response<FeaturesSchema | string>): Promise<void>;
    getAllTogglesPOST(req: Request, res: Response<FeaturesSchema | string>): Promise<void>;
    getEnabledToggles(req: Request, res: Response<FeaturesSchema | string>): Promise<void>;
    lookupToggles(req: Request<any, any, LookupTogglesSchema>, res: Response<FeaturesSchema | string>): Promise<void>;
    health(_: Request, res: Response<string>): void;
    prometheus(_: Request, res: Response<string>): Promise<void>;
    registerMetrics(req: Request<{}, undefined, RegisterMetricsSchema>, res: Response<string>): void;
    registerClient(req: Request<{}, undefined, RegisterClientSchema>, res: Response<string>): void;
    unleashApi(req: Request, res: Response<string | ApiRequestSchema>): void;
}