import { ClientMiddleware } from './ClientMiddleware';
export declare function composeClientMiddleware<Ext1, Ext2, RequiredCallOptionsExt>(middleware1: ClientMiddleware<Ext1, RequiredCallOptionsExt>, middleware2: ClientMiddleware<Ext2, RequiredCallOptionsExt & Ext1>): ClientMiddleware<Ext1 & Ext2, RequiredCallOptionsExt>;
