/**
 * Get the TAMNAMS name for a step ratio L:s.
 * @param sizeOfLargeStep Size of the large step.
 * @param sizeOfSmallStep Size of the small step.
 * @returns Name of the step ratio or the name of the hardness range it belongs to.
 */
export declare function getHardness(sizeOfLargeStep: number, sizeOfSmallStep: number): string;