import { CanvasNode } from './CanvasNode';

export type RegistryListener = (id: string) => void;
export declare class CanvasRegistry {
    private nodes;
    private listeners;
    register(id: string, node: CanvasNode): void;
    unregister(id: string): void;
    get(id: string): CanvasNode | undefined;
    subscribe(listener: RegistryListener): () => void;
    private notify;
}