import { Http, Request, RequestOptions, RequestOptionsArgs, Response } from "@angular/http";
import { Provider, ModuleWithProviders } from "@angular/core";
import { Observable } from "rxjs/Observable";
import "rxjs/add/observable/fromPromise";
import "rxjs/add/observable/defer";
import "rxjs/add/operator/mergeMap";
export interface IAuthConfig {
    globalHeaders: Array<Object>;
    headerName: string;
    headerPrefix: string;
    noJwtError: boolean;
    noClientCheck: boolean;
    noTokenScheme?: boolean;
    tokenGetter: () => string | Promise<string>;
    tokenName: string;
}
export interface IAuthConfigOptional {
    headerName?: string;
    headerPrefix?: string;
    tokenName?: string;
    tokenGetter?: () => string | Promise<string>;
    noJwtError?: boolean;
    noClientCheck?: boolean;
    globalHeaders?: Array<Object>;
    noTokenScheme?: boolean;
}
export declare class AuthConfigConsts {
    static DEFAULT_TOKEN_NAME: string;
    static DEFAULT_HEADER_NAME: string;
    static HEADER_PREFIX_BEARER: string;
}
/**
 * Sets up the authentication configuration.
 */
export declare class AuthConfig {
    private _config;
    constructor(config?: IAuthConfigOptional);
    getConfig(): IAuthConfig;
}
export declare class AuthHttpError extends Error {
}
/**
 * Allows for explicit authenticated HTTP requests.
 */
export declare class AuthHttp {
    private http;
    private defOpts;
    private config;
    tokenStream: Observable<string>;
    constructor(options: AuthConfig, http: Http, defOpts?: RequestOptions);
    private mergeOptions(providedOpts, defaultOpts?);
    private requestHelper(requestArgs, additionalOptions?);
    requestWithToken(req: Request, token: string): Observable<Response>;
    setGlobalHeaders(headers: Array<Object>, request: Request | RequestOptionsArgs): void;
    request(url: string | Request, options?: RequestOptionsArgs): Observable<Response>;
    get(url: string, options?: RequestOptionsArgs): Observable<Response>;
    post(url: string, body: any, options?: RequestOptionsArgs): Observable<Response>;
    put(url: string, body: any, options?: RequestOptionsArgs): Observable<Response>;
    delete(url: string, options?: RequestOptionsArgs): Observable<Response>;
    patch(url: string, body: any, options?: RequestOptionsArgs): Observable<Response>;
    head(url: string, options?: RequestOptionsArgs): Observable<Response>;
    options(url: string, options?: RequestOptionsArgs): Observable<Response>;
}
/**
 * Helper class to decode and find JWT expiration.
 */
export declare class JwtHelper {
    urlBase64Decode(str: string): string;
    private b64decode(str);
    private b64DecodeUnicode(str);
    decodeToken(token: string): any;
    getTokenExpirationDate(token: string): Date;
    isTokenExpired(token: string, offsetSeconds?: number): boolean;
}
/**
 * Checks for presence of token and that token hasn't expired.
 * For use with the @CanActivate router decorator and NgIf
 */
export declare function tokenNotExpired(tokenName?: string, jwt?: string): boolean;
export declare const AUTH_PROVIDERS: Provider[];
export declare function provideAuth(config?: IAuthConfigOptional): Provider[];
/**
 * Module for angular2-jwt
 * @experimental
 */
export declare class AuthModule {
    constructor(parentModule: AuthModule);
    static forRoot(config: AuthConfig): ModuleWithProviders;
}