import type { SpecificationExtensionsModel } from './types';
import type { Disposable, JSONValue } from '@fresha/api-tools-core';
export declare class Node<TParent> implements Disposable, SpecificationExtensionsModel {
    #private;
    constructor(parent: TParent);
    get parent(): TParent;
    dispose(): void;
    get extensionCount(): number;
    extensions(): IterableIterator<[string, JSONValue]>;
    extensionKeys(): IterableIterator<string>;
    hasExtension(key: string): boolean;
    getExtension(key: string): JSONValue;
    setExtension(key: string, value: JSONValue): void;
    deleteExtension(key: string): void;
    clearExtensions(): void;
}
//# sourceMappingURL=Node.d.ts.map