import type { TokenCollectionNode } from '../../../core/types.js';
/**
 * Recursively determines whether a value is a DTIF token group.
 *
 * A token group is an object whose non-metadata properties are either tokens
 * or other token groups.
 *
 * @param value - Value to examine.
 * @returns `true` if the value is a token group.
 *
 * @example
 * isTokenGroup({
 *   $version: '1.0.0',
 *   color: { red: { $value: { colorSpace: 'srgb', components: [1, 0, 0] } } },
 * }); // => true
 */
export declare function isTokenGroup(value: unknown): value is TokenCollectionNode;
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