import { BundleAnalysis, OptimizationSuggestion } from '../types';
export declare class OptimizationEngine {
    private static OPTIMIZATION_RULES;
    private static LARGE_PACKAGE_THRESHOLD;
    private static DUPLICATE_THRESHOLD;
    static generateOptimizations(analysis: BundleAnalysis): OptimizationSuggestion[];
    private static checkKnownReplacements;
    private static checkLargePackages;
    private static checkDuplicates;
    private static checkUnusedCode;
    static getOptimizationSummary(suggestions: OptimizationSuggestion[]): {
        totalSavings: number;
        highPriority: number;
        mediumPriority: number;
        lowPriority: number;
    };
}