/**
 * String formatter tool. Use %s for string %d for digit and %j for JSON formatting
 * @param {string} template
 * @param {Array<string>} args
 * @return {string}
 */
export declare function stringFormat(template: string, ...args: any[]): string;
/**
 * String formatter tool. Transforms a space-separated string into camelCase
 * @param {string} input
 * @return {string}
 */
export declare function camelCase(input: string): string;
/**
 * Generate numeric hash based on seed
 * @param {string} value
 * @param {number=} seed
 * @return {number}
 */
export declare function generateHash(value: string, seed?: number): number;
/**
 * Check if a value is numeric
 * @param {string | number} value
 * @returns {boolean}
 */
export declare function isNumeric(value: string | number): boolean;
/**
 * Convert a string to a number
 * @param {string | number} value
 * @returns {number}
 */
export declare function toNumber(value: string | number): number;