import { Ref } from 'vue';
/**
 * Sanitizes the given string value to ensure its format is only "HH:MM" or "HH:MM:SS".
 */
export declare const sanitizeTimeForNativeInput: (value?: string, showSeconds?: boolean) => string;
/**
 * Creates an RFC time value (HH:MM or HH:MM:SS) from the given times.
 */
export declare const createTimeString: (hours: number, minutes: number, seconds: number, showSeconds: boolean) => string;
/**
 * Parses the time parts (hours, minutes etc.) from the given time string.
 */
export declare const parseTimeString: (showSeconds: boolean, string?: string) => {
    hours: number;
    minutes: number;
    seconds: number;
};
/**
 * Composable for managing a time value with AM/PM formatting. While derive the time format (am or
 * pm) from the given time and update the value when the am/pm toggle is switched.
 */
export declare const useAmPmValue: (value: Ref<string | undefined>, showSeconds: Ref<boolean>) => {
    timeSuffix: import('vue').WritableComputedRef<"am" | "pm", "am" | "pm">;
};