### Question:
LangServerBootstrap { void initCtx() { LangServerCtx.getGuiceCtx(new ServiceModule(), new EngineModule(), new DatabusModule()); }  static void main(String[] args);  }### Answer:
@Test void initCtx() { LangServerBootstrap.initCtx(); MyLanguageServerImpl server = getInjector().getInstance(MyLanguageServerImpl.class); Integer cacheSize = getInjector().getInstance(get(Integer.class, named("CACHE-MAX-SIZE"))); assertNotNull(server); assertNotNull(cacheSize); }