/**
 * Options for asset sweeping
 */
export interface AssetSweeperOptions {
    dryRun?: boolean;
    verbose?: boolean;
    includeImages?: boolean;
    includeFonts?: boolean;
    includeStyles?: boolean;
    deleteUnused?: boolean;
}
/**
 * Results from the asset sweeping process
 */
export interface AssetSweepResult {
    unusedImages: string[];
    unusedFonts: string[];
    unusedStyles: string[];
    totalSize: number;
    deletedAssets: string[];
}
/**
 * Manages detection and cleanup of unused static assets
 */
export declare class AssetSweeper {
    private targetDir;
    private options;
    private sourceFiles;
    private assets;
    constructor(targetDir: string, options?: AssetSweeperOptions);
    /**
     * Find all source files that might reference assets
     */
    private findSourceFiles;
    /**
     * Find all static assets in the project
     */
    private findAssets;
    /**
     * Check if an asset is referenced in any source file
     */
    private isAssetReferenced;
    /**
     * Find unused assets by checking for references in source files
     */
    private findUnusedAssets;
    /**
     * Format file size in a human-readable way
     */
    private formatSize;
    /**
     * Check if an asset is protected and should not be deleted
     */
    private isProtectedAsset;
    /**
     * Delete unused assets if configured to do so
     */
    private deleteUnusedAssets;
    /**
     * Run the asset sweeping process
     */
    sweep(): Promise<AssetSweepResult>;
}