import Cache from '../model/Cache';
import AsyncCache from '../model/AsyncCache';
export default class SourceDAO {
    cache: Cache<string> | null;
    persistence: AsyncCache<string> | null;
    constructor();
    setPersistence(persistence: AsyncCache<string>): void;
    getSource(code: string): Promise<string>;
    setSource(code: any, source: any): Promise<void>;
    deleteSource(code: any): Promise<void>;
}