import { type TooltipContainer } from '../widgets/TooltipContainer.js';
import { type Widget } from '../widgets/Widget.js';
import { BaseTooltipController } from './BaseTooltipController.js';
/**
 * The default implementation of {@link BaseTooltipController}. Used by
 * {@link TooltipContainer}, which lets you provide an anchor point to position
 * the tooltip around.
 */
export declare class TooltipController<W extends Widget = Widget, C extends TooltipContainer = TooltipContainer> extends BaseTooltipController<W, C, readonly [relAnchorX: number, relAnchorY: number]> {
    addLayer(relAnchorPos: readonly [x: number, y: number]): boolean;
    protected doTooltipRectUpdate(): void;
}