/**
 * Normalizes a line-height value by rounding it to one decimal place
 * and removing any unit (e.g., "px"). Intended to convert float-based
 * values like "1.2999999523162842px" into clean CSS-compatible values
 * like "1.3".
 * @param {string | number} value - The line-height value to normalize.
 * @returns {string} The normalized line-height value without units.
 */
export declare const normalizeLineHeightValue: (value: string | number) => string;