import { LDClient, LDOptions } from 'launchdarkly-js-client-sdk';
import { UserAccount } from './types/UserAccount';
import { Application } from './types/Application';
import { Contract } from './types/Contract';
export declare class FeatureToggleInstanceFactory {
    private client;
    private defaultOptions;
    private constructor();
    getClient(): LDClient;
    static createSingleContext(payload: UserAccount | Application, ldclientSdkKey: string, options?: LDOptions): FeatureToggleInstanceFactory;
    static createMultiContext(ldclientSdkKey: string, user?: UserAccount, application?: Application, contract?: Contract, options?: LDOptions): FeatureToggleInstanceFactory;
    private static getSingleData;
}