import type { DesignTokens } from '../../../core/types.js';
/**
 * Determines whether a value conforms to the DTIF `DesignTokens` structure.
 *
 * The guard ensures top-level members are either metadata (prefixed with `$`)
 * or nested collections/tokens that eventually declare a `$value` or `$ref`
 * entry.
 */
export declare const isDesignTokens: (value: unknown) => value is DesignTokens;
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