import type { JsonMetadata, MetadataUrlCreationParams } from './types';
declare class MetadataManager {
    private metadata;
    constructor();
    addDeidMetadata(jsonMetadata: JsonMetadata): void;
    getMetadataFromCache(url: string): JsonMetadata;
    getMetadata(params: MetadataUrlCreationParams, headers: Record<string, string>): Promise<JsonMetadata | null>;
}
export default MetadataManager;