import type { TokenNode } from '../../../core/types.js';
/**
 * Determines whether a value represents a single DTIF design token.
 *
 * A token is any object that exposes a `$value` or `$ref` property.
 *
 * @param value - Value to examine.
 * @returns `true` if the value is a token object.
 *
 * @example
 * isToken({
 *   $value: { colorSpace: 'srgb', components: [1, 0, 0] },
 * }); // => true
 * isToken({ $ref: '#/color/primary' }); // => true
 */
export declare const isToken: (value: unknown) => value is TokenNode;
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