/**
 * Tailwind config loader — Spec 10.
 *
 * Loads a project's Tailwind configuration to resolve design tokens
 * (colors, spacing, font sizes, etc.) for utility expansion.
 *
 * Three-tier resolution:
 *   1. Tailwind v3 JS config (tailwind.config.js / tailwind.config.ts)
 *   2. Tailwind v4 CSS config (@theme blocks in CSS files)
 *   3. Bundled default design tokens (Tailwind v4 defaults)
 *
 * Falls back gracefully — no config means we use defaults only.
 */
import type { StyleToken } from './types.js';
/** Raw tailwind theme tokens extracted from config. */
export interface TailwindThemeTokens {
    colors: Record<string, string>;
    spacing: Record<string, string>;
    fontSize: Record<string, string>;
    borderRadius: Record<string, string>;
}
/** Config file discovery result. */
export interface TailwindConfigResult {
    tokens: TailwindThemeTokens;
    /** How the config was resolved. */
    source: 'v3-js' | 'v4-css' | 'defaults' | 'none';
    configPath: string | null;
}
/**
 * Load Tailwind config tokens from a project root.
 * Returns default tokens if no config is found — this is always graceful.
 */
export declare function loadTailwindConfig(projectRoot: string): TailwindConfigResult;
/**
 * Get the tokens as StyleToken[] for storage in the style index.
 */
export declare function tokensToStyleTokens(result: TailwindConfigResult, projectRoot: string): StyleToken[];
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