import type { SubscriberToken } from './get-subscriber-token';
import type { Destination } from './destination-service-types';
import type { DestinationFetchOptions } from './destination-accessor-types';
import type { JwtPair } from '../jwt';
/**
 * Retrieves a destination with the given name from the Cloud Foundry destination service.
 * Returns `null`, if no destination can be found.
 * Requires the following service bindings: destination, XSUAA
 * By default, selects subscriber over provider and instance over subaccount destinations.
 * @param options - Configuration for how to retrieve destinations from the destination service.
 * @returns A promise returning the requested destination on success.
 */
export declare function getDestinationFromDestinationService(options: DestinationFetchOptions): Promise<Destination | null>;
/**
 * @internal
 */
export declare class DestinationFromServiceRetriever {
    readonly subscriberToken: SubscriberToken | undefined;
    readonly providerServiceToken: JwtPair;
    static getDestinationFromDestinationService(options: DestinationFetchOptions): Promise<Destination | null>;
    private static throwUserTokenMissing;
    private static checkDestinationForCustomJwt;
    private static isUserJwt;
    private options;
    private constructor();
    private searchDestinationWithSelectionStrategyAndCache;
    private getExchangeTenant;
    private getAuthTokenForOAuth2ClientCredentials;
    private usesSystemUser;
    private getAuthTokenForOAuth2UserBasedTokenExchanges;
    private getAuthTokenForOAuth2RefreshToken;
    /**
     * @internal
     * This method calls the 'find destination by name' endpoint of the destination service using a client credentials grant.
     * For the find by name endpoint, the destination service will take care of OAuth flows and include the token in the destination.
     * @param destinationResult - Result of the getDestinations call for which the exchange flow is triggered.
     * @returns Destination containing the auth token.
     */
    private fetchDestinationWithNonUserExchangeFlows;
    private fetchDestinationWithUserExchangeFlows;
    private fetchDestinationWithRefreshTokenFlow;
    private addProxyConfiguration;
    private updateDestinationCache;
    private getProviderDestinationService;
    private getProviderDestinationCache;
    private getSubscriberDestinationService;
    private getSubscriberDestinationCache;
    private isProviderNeeded;
    private isSubscriberNeeded;
    private searchProviderAccountForDestination;
    private searchSubscriberAccountForDestination;
    private addTrustStoreConfiguration;
}