export interface AssetIssue {
    type: 'large-image' | 'unoptimized-format' | 'unused-asset' | 'duplicate-asset';
    severity: 'high' | 'medium' | 'low';
    file: string;
    size: number;
    message: string;
    recommendation: string;
    duplicateOf?: string;
    hash?: string;
}
export interface AssetAnalysisResult {
    totalAssets: number;
    totalSize: number;
    imageCount: number;
    imageSize: number;
    largeImages: AssetIssue[];
    unoptimizedImages: AssetIssue[];
    unusedAssets: AssetIssue[];
    duplicateAssets: AssetIssue[];
    assetsByType: {
        [key: string]: {
            count: number;
            totalSize: number;
            files: string[];
        };
    };
    recommendations: {
        potentialSavings: number;
        webpConversion: number;
        duplicateRemoval: number;
        compressionSavings: number;
    };
    timestamp: string;
}
export declare class AssetAnalyzer {
    private projectRoot;
    private assets;
    private imageExtensions;
    private assetExtensions;
    private LARGE_IMAGE_THRESHOLD;
    private MEDIUM_IMAGE_THRESHOLD;
    constructor(projectRoot: string);
    analyze(): Promise<AssetAnalysisResult>;
    private scanAssets;
    private scanDirectory;
    private calculateFileHash;
    private findLargeImages;
    private findUnoptimizedImages;
    private findDuplicateAssets;
    private findUnusedAssets;
    private getAllSourceFiles;
    private categorizeAssets;
    private calculateRecommendations;
    private parseSize;
    private formatBytes;
    saveReport(outputPath: string, result: AssetAnalysisResult): void;
}