/**
 * Given a number, trim it based in some factor of 10^9 or 10^6.
 *
 * @param value The number to be trimmed
 */
export declare function formatNumber(value: number): number;
/**
 * Given a number, return a suffix for it if needed.
 *
 * @param value The number to be evaluated
 */
export declare function getSuffix(value: number): string;
/**
 * Returns how many decimal places a given number must have when sufixed.
 * Default value is of 2 decimal places.
 *
 * @param value The number to be evaluated
 */
export declare function maxDecimals(value: number): number;
/**
 * Get digits string in numbers pipe format of Angular.
 */
export declare function getDigits(value: number): string;
/**
 * Verify if a variable is a number
 *
 * @param string a variable to be checked
 * @returns boolean true if is number, false otherwise
 */
export declare function isNumber(num: any): boolean;