/**
 * Internal helper to check if parameter is a string
 * @param {*} value
 * @returns {boolean}
 */
export declare const isString: (value: any) => boolean;
/**
 * Internal helper to check if string is empty
 * @param {*} value
 * @returns {boolean}
 */
export declare const isStringEmpty: (value: any) => boolean;
/**
 * Internal helper to check if parameter is a number
 * @param {*} value
 * @returns {boolean}
 */
export declare const isNumber: (value: any) => boolean;
/**
 * Internal helper to check if parameter is an array
 * @param {*} value
 * @returns {boolean}
 */
export declare const isArray: (value: any) => boolean;
/**
 * Internal helper to transform numero to decimal format
 * @param {number} numero
 * @param {number} decimal
 * @returns {number}
 */
export declare const decNum: (numero: number, decimal: number) => number;