import { Request, Response, NextFunction } from 'express';
declare global {
    namespace Express {
        interface Locals {
            credentials: Credentials;
        }
    }
}
/**
 * The credentials object passed to every handler function.
 *
 * It contains the parsed credentials payload associated with the request through the X-Unito-Credentials header.
 */
export type Credentials = {
    /**
     * The access token for the provider.
     */
    accessToken?: string;
    /**
     * The id of the unito credential record.
     *
     * This is not available on the initial call to /me before the creation of the credential.
     */
    unitoCredentialId?: string;
    /**
     * The id of the unito user record.
     */
    unitoUserId?: string;
    [keys: string]: unknown;
};
declare function extractCredentials(req: Request, res: Response, next: NextFunction): void;
export default extractCredentials;