import { CanvasPortalHoverDetail, CanvasPortalSource, TooltipContext } from '../utils/portalHoverEvents';
import { CanvasEvent, CanvasNode, Rect } from './CanvasNode';

export interface CanvasHoverControllerOptions {
    onCursorChange?: (cursor: string) => void;
    onPortalTargetChange?: (target: CanvasNode | null, baseEvent: CanvasEvent | null) => void;
    portalHoverDispatch?: (detail: CanvasPortalHoverDetail, target?: EventTarget | null) => void;
    getPortalEventTarget?: () => EventTarget | null;
    portalSource?: CanvasPortalSource;
    getTooltipContext?: () => TooltipContext | undefined;
}
export declare class CanvasHoverController {
    private readonly options;
    private hoveredNode;
    private activePortalNode;
    private currentCursor;
    private bounds;
    constructor(options?: CanvasHoverControllerOptions);
    setAbsoluteBounds(bounds: Rect | null): void;
    handlePointerMove(hits: CanvasNode[], baseEvent: CanvasEvent | null): void;
    handlePointerLeave(): void;
    handlePortalReset(): void;
    computeCursor(relativeX: number, relativeY: number, rootNode: CanvasNode): string;
    getCurrentCursor(): string;
    private transitionHover;
    private buildEvent;
    private updateCursor;
    private findPortalTarget;
    private updatePortalHover;
    private dispatchPortalHover;
}