import { EventHandlers, ThreeEvent } from "@react-three/fiber/dist/declarations/src/core/events.js";
import { Vector2 } from "three";
import { Bucket } from "./bucket.js";
export type ExtendedThreeEvent<T> = ThreeEvent<T> & {
    preventDefault: () => void;
};
export type ExtendEventhandler<EventHandler extends EventHandlers[keyof EventHandlers]> = EventHandler extends (event: ThreeEvent<infer E>) => void ? (event: ExtendedThreeEvent<E>) => void : EventHandler;
export type ExtendedEventHandlers = {
    [Key in keyof EventHandlers]?: ExtendEventhandler<EventHandlers[Key]>;
};
export declare abstract class ScrollHandler implements EventHandlers {
    protected abstract readonly bucket: Bucket;
    protected isDying: boolean;
    private prevInteractionMap;
    protected abstract parent: ScrollHandler | undefined;
    protected scrollVelocity: Vector2;
    customEvents: ExtendedEventHandlers;
    onContextMenu: (event: ThreeEvent<MouseEvent>) => void;
    onDoubleClick: (event: ThreeEvent<MouseEvent>) => void;
    onPointerOver: (event: ThreeEvent<PointerEvent>) => void;
    onPointerLeave: (event: ThreeEvent<PointerEvent>) => void;
    onPointerMissed(event: MouseEvent): void;
    onPointerCancel: (event: ThreeEvent<PointerEvent>) => void;
    private onPointerNotPressed;
    cleanupHandler(): void;
    onPointerUp: (event: ThreeEvent<PointerEvent>) => void;
    onPointerOut: (event: ThreeEvent<PointerEvent>) => void;
    onPointerDown: (event: ThreeEvent<PointerEvent>) => void;
    onPointerEnter: (event: ThreeEvent<PointerEvent>) => void;
    onPointerMove: (event: ThreeEvent<PointerEvent>) => void;
    onWheel: (event: ThreeEvent<WheelEvent>) => void;
    onClick: (event: ThreeEvent<MouseEvent>) => void;
    protected abstract onScroll(distanceX: number, distanceY: number): boolean;
    applyScrollVelocity(deltaTime: number): void;
}