export declare const ITEM_HEIGHT = 40;
export declare const TIMEPICKER_OFFSET = 2;
/**
 * Generates an array of hours (00–23)
 */
export declare const generateHours: () => string[];
/**
 * Generates minute values based on a step (e.g. 5, 10, 15)
 */
export declare const generateMinutes: (stepMinutes: number) => string[];
/**
 * Finds the closest available minute to a target value
 */
export declare const findClosestMinute: (target: string, mins: string[]) => string;
/**
 * Parses HH:mm time string
 */
export declare const parseTime: (time: string) => {
    hour: string;
    minute: string;
};
/**
 * Returns nearest wheel index from scroll position
 */
export declare const snapToNearestItem: (scrollTop: number, length: number) => number;
/**
 * Returns scrollTop position for index
 */
export declare const getScrollTopForIndex: (index: number) => number;
/**
 * Checks if scroll correction is needed
 */
export declare const needsScrollCorrection: (current: number, target: number, tolerance?: number) => boolean;
/**
 * Scrolls element to index
 */
export declare const scrollToIndex: (element: HTMLDivElement, index: number, behavior?: ScrollBehavior) => void;
/**
 * Clears scroll timeout safely
 */
export declare const clearScrollTimeout: (timeout?: NodeJS.Timeout) => void;
export declare const isValidTime: (time: string) => boolean;
/**
 * Normalizes common typing patterns into HH:mm or returns null if impossible
 * Examples:
 *   "9:5"   → "09:05"
 *   "14:5"  → "14:05"
 *   "2359"  → "23:59"
 *   "4:89"  → null
 */
export declare const normalizeTime: (input: string) => string | null;