public static GroovyShortNamesCache getGroovyShortNamesCache(Project project) {
    return Objects
      .requireNonNull(ContainerUtil.findInstance(PsiShortNamesCache.EP_NAME.getExtensionList(project), GroovyShortNamesCache.class));
  }
public static GroovyShortNamesCache getGroovyShortNamesCache(Project project)