export interface PolyfillConfig {
    feature: string;
    url: string;
    condition: () => boolean;
    priority: number;
    size: number;
}
export declare class PolyfillManager {
    private versionManager;
    private loadedPolyfills;
    private polyfills;
    loadRequiredPolyfills(): Promise<void>;
    private loadPolyfill;
    private loadWithTimeout;
    private applyInlineFallback;
    private inlineFallbacks;
    loadConditionalPolyfill(feature: string): Promise<boolean>;
    getLoadedPolyfills(): string[];
    getPolyfillStatus(): Record<string, boolean>;
}
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