import CancellationToken from 'cancellationtoken';
import { IAuthorizationService } from './IAuthorizationService';
import { IDisposable } from './IDisposable';
import { ProtectedOperation } from './ProtectedOperation';
/**
 * A caching client of the [IAuthorizationService](#IAuthorizationService)
 */
export declare class AuthorizationServiceClient implements IDisposable {
    private authService;
    private ownsAuthService;
    /**
     * Indicates if the client has already been disposed
     */
    private isDisposed;
    /**
     * Initializes a new instance of the [AuthorizationServiceClient](#AuthorizationServiceClient) class
     * @param authService The authorization service to use with requests
     * @param ownsAuthService Indicates if the client owns the authorization service
     */
    constructor(authService: IAuthorizationService, ownsAuthService?: boolean);
    /**
     * Gets the current user's credentials
     * @param cancellationToken A cancellation token
     */
    getCredentials(cancellationToken?: CancellationToken): Promise<{
        [key: string]: string;
    }>;
    /**
     * Checks if a user is authorized to perform the operation
     * @param operation The operation to be performed
     * @param cancellationToken A cancellation token
     */
    checkAuthorization(operation: ProtectedOperation, cancellationToken?: CancellationToken): Promise<boolean>;
    /**
     * Disposes the authorization client and its underlying resources
     */
    dispose(): void;
}