import { Ref } from 'vue';
import { type CalendarSystem, type Timestamp } from '@timestamp-js/core';
export declare const useCheckChangeEmits: readonly ["change"];
export interface CheckChangeProps {
    days: Ref<Timestamp[]>;
    lastStart: Ref<string | null>;
    lastEnd: Ref<string | null>;
    calendarSystem: () => CalendarSystem;
}
export interface CheckChangeEvent {
    /** First visible date in the range. */
    start: string;
    /** Last visible date in the range. */
    end: string;
    /** Visible timestamps in the range. */
    days: Timestamp[];
    /** First visible date represented in the configured calendar system. */
    calendarStart: string;
    /** Last visible date represented in the configured calendar system. */
    calendarEnd: string;
    /** Visible timestamps represented in the configured calendar system. */
    calendarDays: Timestamp[];
    /** Calendar system used to create `calendarDays`. */
    calendarSystem: CalendarSystem;
}
interface CheckChangeReturn {
    checkChange: () => boolean;
}
export default function useCheckChange(emit: (_event: 'change', _payload: CheckChangeEvent) => void, { days, lastStart, lastEnd, calendarSystem }: CheckChangeProps): CheckChangeReturn;
export {};