import { TimeRange } from '../types/components';
export declare function parseTime(time: string): {
    hour: number;
    minute: number;
};
export declare function formatTime(hour: number, minute: number, format?: '12h' | '24h'): string;
export declare function formatTimeSlot(time: string, format?: '12h' | '24h'): string;
export declare function generateTimeSlots(start: string, end: string, stepMinutes: number): string[];
export declare function rangesOverlap(a: TimeRange, b: TimeRange): boolean;
export declare function durationMinutes(start: string, end: string): number;
export declare function formatDuration(minutes: number): string;
export declare function isTimeInRange(time: string, start: string, end: string): boolean;
export declare function findAvailableSlots(dayStart: string, dayEnd: string, occupied: TimeRange[], minDuration: number): TimeRange[];
export declare function snapToSlot(time: string, stepMinutes: number): string;
export declare function addMinutes(time: string, minutes: number): string;
export declare function compareTime(a: string, b: string): number;
export declare function findNearestTimeSlotIndex(time: string, slots: readonly string[]): number;
export declare function toMinutes(time: string): number;
export declare function fromMinutes(total: number): string;
/** Time utility helpers for parsing, formatting, comparing, and snapping HH:MM strings. */
export declare function useTimeUtils(): {
    parseTime: typeof parseTime;
    formatTime: typeof formatTime;
    formatTimeSlot: typeof formatTimeSlot;
    generateTimeSlots: typeof generateTimeSlots;
    rangesOverlap: typeof rangesOverlap;
    durationMinutes: typeof durationMinutes;
    formatDuration: typeof formatDuration;
    isTimeInRange: typeof isTimeInRange;
    findAvailableSlots: typeof findAvailableSlots;
    snapToSlot: typeof snapToSlot;
    addMinutes: typeof addMinutes;
    compareTime: typeof compareTime;
    findNearestTimeSlotIndex: typeof findNearestTimeSlotIndex;
    toMinutes: typeof toMinutes;
    fromMinutes: typeof fromMinutes;
};