/// <reference types="react" />
/**
 * ChatLayout 样式 Hook
 * @param prefixCls 组件类名前缀
 * @returns 样式对象
 */
export declare function useStyle(prefixCls?: string): {
    wrapSSR: (node: import("react").ReactElement<any, string | import("react").JSXElementConstructor<any>>) => import("react").JSX.Element;
    hashId: string;
};