interface DatabaseParams { [key: string]: string; } interface DatabaseEntry { [key: string]: string; } class DB { async fetchEntries(params?: DatabaseParams) { console.log(`Mock DB fetch entries: ${params}`); return []; } async saveEntry(json: string) { console.log(`Mock DB save entry ${json}`); return; } } async function getGraduationDb() { return new DB(); } export { DB, DatabaseEntry, DatabaseParams, getGraduationDb, };