export declare const isWeixin: () => boolean;
export declare const isDingTalk: () => boolean;
export declare function setMpaTitle(title: string): void;
export declare function setTitle(title: string): void;
export declare function setNavigationBarStyle(option: {
    backgroundColor: string;
    frontColor: string;
}): void;
export declare function setNavigationBarLoading(loading: boolean): void;