export type FeatureLayer = 'core' | 'enhanced' | 'experimental';
export interface LayerConfig {
    layer: FeatureLayer;
    dependencies: string[];
    fallback?: string;
    polyfill?: string;
}
export declare class FeatureLayerManager {
    private versionManager;
    private enabledLayers;
    private layerDefinitions;
    constructor();
    private initializeLayers;
    isLayerEnabled(layer: FeatureLayer): boolean;
    isFeatureAvailable(feature: string): boolean;
    getFallback(feature: string): string | null;
    getEnabledFeatures(): string[];
    loadPolyfillsForLayer(layer: FeatureLayer): Promise<void>;
}
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