import { type RelativeMiddleware, type RelativeMiddlewareOptions } from '@byu-oit-sdk/middleware-stack';
import { type TokenProvider } from '@byu-oit-sdk/credential-provider';
/**
 * The token middleware should go after the retry middleware because getting a new
 * token may fix the problem.
 */
export declare const TokenMiddlewareOptions: RelativeMiddlewareOptions;
/**
 * Factory for creating a middleware function which adds an authorization header with
 * the corresponding access token.
 *
 * @param provider - Any type of token provider instance
 * @returns An absolute middleware ready to be used in a
 * middleware stack.
 */
export declare function TokenMiddleware<I extends object, O extends object, C extends object = object>(provider: TokenProvider): RelativeMiddleware<I, O, C>;