import type { RequestHandler } from 'express';
/**
 * This checks that a user has provided credentials, they may not be fully authorized, ie they may still need to pass 2fa
 * Note: This is specifically *user* credentials, device keys/application provisioning keys do not count
 */
export declare const partiallyAuthenticatedUser: RequestHandler;
/**
 * This checks that a user has provided authorized credentials, ie they have passed any required 2fa checks
 * Note: This is specifically *user* credentials, device keys/application provisioning keys do not count
 */
export declare const fullyAuthenticatedUser: RequestHandler;
/**
 * This resolves any provided credentials (api key or JWT), with no checks on the actor or 2fa status,
 * it will also resolve the user the credentials belong to if they are user credentials
 */
export declare const resolveCredentialsAndUser: RequestHandler;
/**
 * This starts a prefetch of api key permissions without waiting for them to finish resolving
 */
export declare const prefetchApiKey: RequestHandler;
/**
 * This resolves api key permissions, making use of the prefetch if it exists or otherwise starting a fetch from scratch
 * Note: this won't reply with 401 if there's no api key
 */
export declare const resolveApiKey: RequestHandler;
/**
 * This ensures that a valid api key has been passed, returning 401 if it has not
 */
export declare const authenticatedApiKey: RequestHandler;
/**
 * This ensures that valid credentials have been passed, returning 401 if they have not
 */
export declare const authenticated: RequestHandler;
/**
 * This creates a middleware that checks a specific permission is present on the request
 *
 * @param permission The required permission
 * @returns The middleware to check the permission
 */
export declare const permissionRequired: (permission: string) => RequestHandler;
/**
 * This checks that a user has authenticated recently and therefore can perform privileged operations
 * Note: This is specifically *user* credentials, device keys/application provisioning keys do not count
 */
export declare const sudo: RequestHandler;