/**
 * @file Context for centralizing canvas pointer event handler composition.
 */
import * as React from "react";
export type CanvasPointerEventHandlers = Readonly<Partial<{
    onPointerDown: (event: React.PointerEvent<HTMLDivElement>) => void;
    onPointerMove: (event: React.PointerEvent<HTMLDivElement>) => void;
    onPointerUp: (event: React.PointerEvent<HTMLDivElement>) => void;
    onPointerCancel: (event: React.PointerEvent<HTMLDivElement>) => void;
}>>;
export type CanvasPointerActionInjection = (handlers: CanvasPointerEventHandlers) => CanvasPointerEventHandlers;
export type CanvasPointerActionRegistryContextValue = {
    registerInjection: (injection: CanvasPointerActionInjection) => () => void;
    applyInjections: (handlers: CanvasPointerEventHandlers) => CanvasPointerEventHandlers;
};
export declare const CanvasPointerActionRegistryContext: React.Context<CanvasPointerActionRegistryContextValue | null>;
export declare const useCanvasPointerActionRegistry: () => CanvasPointerActionRegistryContextValue;
export declare const useCanvasPointerActionInjection: (injection: CanvasPointerActionInjection, dependencies?: React.DependencyList) => void;