import { ClientRequestContext } from "@bentley/bentleyjs-core";
import { AccessToken, IncludePrefix } from "../Token";
import { UserInfo } from "../UserInfo";
import { IModelAuthorizationClient } from "../IModelCloudEnvironment";
/**
 * Implements AccessToken that uses Basic access authentication
 * @internal
 */
export declare class BasicAccessToken extends AccessToken {
    private _prefix;
    private _token;
    /**
     * Create a BasicAccessToken from user credentials
     * @param userCredentials User credentials containing email and password of the user.
     */
    static fromCredentials(userCredentials: any): AccessToken;
    /**
     * Creates a token to be used in Authorization header.
     * @param includePrefix Set to Yes if prefix (Basic) should be included before the token.
     */
    toTokenString(includePrefix?: IncludePrefix): string;
}
/** Implements the user permission abstraction by creating a BasicAccessToken. Note that the corresponding IModelBank server must
 * be able to tolerate this BasicAccessToken.
 * @internal
 */
export declare class BasicAuthorizationClient implements IModelAuthorizationClient {
    private _token?;
    authorizeUser(_requestContext: ClientRequestContext, _userInfo: UserInfo | undefined, userCredentials: any): Promise<AccessToken>;
    isAuthorized: boolean;
    hasExpired: boolean;
    hasSignedIn: boolean;
    getAccessToken(_requestContext?: ClientRequestContext): Promise<AccessToken>;
}
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