import { TimeFormat } from '../types';
/**
 * Maximum hour value for 24-hour format.
 */
export declare const MAX_HOUR: 23;
/**
 * Maximum minute value.
 */
export declare const MAX_MINUTE: 59;
/**
 * Converts a time string to total minutes since midnight.
 *
 * @param timeStr - Time string in HH:mm format (24-hour)
 * @returns Total minutes since midnight
 */
export declare const timeToMinutes: (timeStr: string) => number;
/**
 * Converts a time string between 12-hour and 24-hour formats.
 *
 * @param time - Time string to convert
 * @param targetFormat - Target format (12 or 24)
 * @returns Converted time string
 */
export declare function convertTimeFormat(time: string, targetFormat: TimeFormat): string;
/**
 * Parses input value and converts it to a time string with validation.
 *
 * @param value - The raw input value (may contain placeholders)
 * @param format - The time format (12 or 24 hour)
 * @param removePlaceholder - Function to remove placeholder characters
 * @param min - Minimum allowed time constraint
 * @param max - Maximum allowed time constraint
 * @returns Object containing parsed time string, validation state, and empty state
 */
export declare function parseInputValue(value: string, format: TimeFormat, removePlaceholder: (value: string) => string, min?: string, max?: string): {
    time: null;
    isInputValid: boolean;
    isInputEmpty: boolean;
} | {
    time: string;
    isInputValid: boolean;
    isInputEmpty: boolean;
};