/**
 * Style indexer — Spec 10.
 *
 * Syncs style declarations, design tokens, and class usage to the SQLite
 * style index. Uses content-hash-based change detection to avoid re-extracting
 * unchanged files.
 *
 * Called from auditRunner.ts before the analyzer run, mirroring the function
 * index sync pattern.
 */
import type Database from 'better-sqlite3';
export interface StyleSyncResult {
    /** Files whose declarations were added or updated. */
    changed: number;
    /** Files that were skipped (content hash unchanged). */
    skipped: number;
    /** Files whose declarations were removed (no longer on disk). */
    removed: number;
    /** Files that failed extraction. */
    errors: number;
}
export interface StyleSyncOptions {
    /** When true, only process the given files (scoped/diff audit). Default false. */
    scoped?: boolean;
}
/**
 * Sync the style index for the given files.
 *
 * - Extracts declarations, tokens, and class usage from each file.
 * - Uses content hashes to skip unchanged files.
 * - For scoped runs: deletes and re-inserts declarations for the given files.
 * - For full runs: also removes stale entries for files no longer on disk.
 */
export declare function syncStyleIndex(rawDb: Database.Database, files: string[], projectRoot: string, options?: StyleSyncOptions): Promise<StyleSyncResult>;
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