import { type PointerEvent, type KeyboardEvent, type RefObject } from 'react';
export declare const CALENDAR_DEFAULT_HEIGHT = 760;
export declare const CALENDAR_MIN_HEIGHT = 360;
export declare function readCalendarHeight(account?: string): number | undefined;
export declare function writeCalendarHeight(account: string | undefined, height: number): void;
export declare function calendarPopoverLayout(anchor: {
    right: number;
    bottom: number;
}, width: number, height: number, preferred: number): {
    top: number;
    left: number;
    height: number;
    maxHeight: number;
};
/** Shared by all conversation calendars; window constraints never overwrite a user's preference. */
export declare function useCalendarPopoverLayout(open: boolean, anchor: RefObject<HTMLButtonElement>, panel: RefObject<HTMLElement>, account?: string): {
    layout: {
        top: number;
        left: number;
        height: number;
        maxHeight: number;
    };
    resizing: boolean;
    resizeProps: {
        onPointerDown(event: PointerEvent<HTMLDivElement>): void;
        onPointerMove(event: PointerEvent<HTMLDivElement>): void;
        onPointerUp: (event: PointerEvent<HTMLDivElement>) => void;
        onPointerCancel: (event: PointerEvent<HTMLDivElement>) => void;
        onLostPointerCapture: (event: PointerEvent<HTMLDivElement>) => void;
        onKeyDown(event: KeyboardEvent<HTMLDivElement>): void;
    };
};
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