/**
 * The available width between the trigger and the edge of the viewport.
 * @type {number}
 */
export declare const availableWidth = "--available-width";
/**
 * The available height between the trigger and the edge of the viewport.
 * @type {number}
 */
export declare const availableHeight = "--available-height";
/**
 * The anchor's width.
 * @type {number}
 */
export declare const anchorWidth = "--anchor-width";
/**
 * The anchor's height.
 * @type {number}
 */
export declare const anchorHeight = "--anchor-height";
/**
 * The coordinates that this element is anchored to. Used for animations and transitions.
 * @type {string}
 */
export declare const transformOrigin = "--transform-origin";
/**
 * The width of the popover's positioner.
 * It is important to set `width` to this value when using CSS to animate size changes.
 * @type {number}
 */
export declare const positionerWidth = "--positioner-width";
/**
 * The height of the popover's positioner.
 * It is important to set `height` to this value when using CSS to animate size changes.
 * @type {number}
 */
export declare const positionerHeight = "--positioner-height";