/**
 * Checks if the given value can be parsed into a valid integer and meets optional constraints
 * @param {string | number | null | undefined} value - The value to check
 * @param {object} [options] - Optional constraints
 * @param {number} [options.min] - Minimum value (inclusive)
 * @param {number} [options.max] - Maximum value (inclusive)
 * @returns {boolean} True if the value is a valid integer meeting all constraints
 */
export declare const isValidInteger: (value: string | number | null | undefined, options?: {
    min?: number;
    max?: number;
}) => boolean;
/**
 * Validates that a value is a valid CSS length or percentage string.
 * Accepts values like '50%', '100px', '1.5rem', '0', '-10px', etc.
 * @param {string} value - The value to validate
 * @returns {boolean} True if the value is a valid CSS length/percentage
 */
export declare const isValidCssMeasurement: (value: string) => boolean;