export declare function adsorb(n: number, lower?: number, upper?: number): number;
export declare function field2Value(obj: Record<string, [string | number, string]>, val: string | number): null;
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[];
};