import { Instance } from "../../ui/Instance";
import { RenderingContext } from "../../ui/RenderingContext";
import { Widget, WidgetConfig } from "../../ui/Widget";
import type { TooltipInstance } from "./Tooltip";
import { TooltipParentInstance, TooltipProp } from "./tooltip-ops";
export interface FlyweightTooltipTrackerConfig extends WidgetConfig {
    /** Callback invoked to get tooltip configuration for an element. */
    onGetTooltip?: (element: Element, instance: Instance) => TooltipProp | undefined;
}
export declare class FlyweightTooltipTrackerInstance extends Instance<FlyweightTooltipTracker> implements TooltipParentInstance {
    lastTarget?: EventTarget | null;
    tooltip?: TooltipProp;
    parentEl?: Element;
    tooltips: {
        [key: string]: TooltipInstance;
    };
}
export declare class FlyweightTooltipTracker extends Widget<FlyweightTooltipTrackerConfig, FlyweightTooltipTrackerInstance> {
    onGetTooltip?: (element: Element, instance: Instance) => TooltipProp | undefined;
    constructor(config?: FlyweightTooltipTrackerConfig);
    initInstance(context: RenderingContext, instance: FlyweightTooltipTrackerInstance): void;
    render(context: RenderingContext, instance: FlyweightTooltipTrackerInstance, key: string): any;
    handleMouseMove(e: MouseEvent, instance: FlyweightTooltipTrackerInstance): void;
}
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