export declare function adsorb(n: number, lower?: number, upper?: number): number;
export declare function processCssDigital(val?: number | `${number}%` | `${number}px`): string | undefined;
export declare function getItemFromMapObj(code: string | number, mapObj: Record<string | number, any[]>): any[] | null;
export declare function getUserInfomations(): string;
export declare function getQueryStringParams(urlParamsStr?: string): {
    [key: string]: any;
};
export declare function trans2QueryString(obj?: Record<string, string | number>): string;
export declare function formatTime(time: Date, regStr: string): string;
export declare function styleToString(styleObj: CSSStyleDeclaration): string;
export declare function safeJsonParse(source: string, defaultVal?: any): any;
export declare function getApiUrl(url?: string): string | undefined;
export declare function decimalNum(num: string | number, decimal: number): string | undefined;
export declare function parseURL(url: string): {
    source?: undefined;
    protocol?: undefined;
    host?: undefined;
    port?: undefined;
    query?: undefined;
    hash?: undefined;
    path?: undefined;
    segments?: undefined;
} | {
    source: string;
    protocol: string;
    host: string;
    port: string;
    query: string;
    hash: string;
    path: string;
    segments: string[];
};
export declare function genTrackId(length?: number): string;