/**
 * @deprecated use String.prototype.padStart in 2.0 (after Chrome 49 support is dropped)
 * Pads a string with symbols in the beginning
 *
 * @param sourceString
 * @param minResultLength
 * @param padString string to pad with
 */
export declare function prizmPadStart(sourceString: string, minResultLength: number, padString?: string): string;