/**
 * Clone options.
 */
export interface CloneOptions {
    /**
     * Pass `true` to generate new internal ids for models rather than reusing them. (Default is `true`)
     */
    generateNewIds: boolean;
}
/**
 * Clones an object by doing a `fromSnapshot(getSnapshot(value), { generateNewIds: true })`.
 *
 * @template T Object type.
 * @param node Object to clone.
 * @param [options] Options.
 * @returns The cloned object.
 */
export declare function clone<T extends object>(node: T, options?: Partial<CloneOptions>): T;