/**
 * Removes duplicates from array
 * @param a
 * @returns
 */
export declare const uniq: <T>(a: T[]) => T[];
/**
 * Change frist letter to uppercase
 * @param str
 */
export declare const capitalizeFirstLetter: (str: string) => string;
/**
 * Asynchronous loader for external scripts
 * @param src
 * @returns
 */
export declare const loadScript: <T>(src: string) => Promise<Event>;
/**
 * Check if value is an object
 * @param value
 * @returns
 */
export declare const isObjectLike: (value: any) => boolean;
/**
 *  Check if string is a valid URL
 * @param string
 * @returns
 */
export declare const isValidUrl: (value: any) => boolean;
/**
 * Collect numbers from string
 * @param label
 * @returns
 */
export declare const getNumberFromLabel: (label: string) => number;
/**
 * Structured clone object
 * Some devices do not support structuredClone
 * @param obj
 * @returns
 */
export declare const _structuredClone: <T>(obj: T) => T;