export declare const isPC: boolean;
export declare const isH5: boolean;
export declare const isWeChat: boolean;
export declare const isApp: boolean;
export declare const isUniFrameWork: boolean;
export declare const isMobile: boolean;
export declare const isElectron: boolean;
export declare const isWeiXinBrowser: boolean;
export declare const isNumber: (value: unknown) => value is number;
export declare const isStringNumber: (value: unknown) => boolean;
export declare function addSuffix(value: string | number, suffix?: string): string;
export declare const ZIndex: {
    readonly BASE: 1;
    readonly DROPDOWN: 1000;
    readonly DRAWER: 1500;
    readonly DRAWER_OVERLAY: 1500;
    readonly DRAWER_CONTAINER: 1501;
    readonly MODAL: 2000;
    readonly MESSAGE_BOX: 2000;
    readonly DIALOG: 2000;
};
export declare const getNextZIndex: () => number;
export declare const resetZIndex: () => void;