/**
 * @license
 * Copyright 2024 Google LLC
 * SPDX-License-Identifier: Apache-2.0
 */
import { LifecyclePathRegistryEntry } from "@breadboard-ai/types";
export declare const emptyEntry: () => {
    children: never[];
    data: null;
};
export declare class Registry<Data> {
    #private;
    root: LifecyclePathRegistryEntry<Data>;
    constructor(root?: LifecyclePathRegistryEntry<Data>);
    find(path: number[]): LifecyclePathRegistryEntry<Data> | null;
    create(path: number[]): LifecyclePathRegistryEntry<Data>;
}
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