@Test
public void testSearchClass01() throws Exception {

  File f =
      new File(project.getProjectRootPath(), "./src/main/java/meghanada/utils/FileUtils.java")
          .getCanonicalFile();
  assertTrue(f.exists());
  final ReferenceSearcher searcher = getSearcher();
  final List<Reference> result = timeIt(() -> searcher.searchReference(f, 45, 20, "FileUtils"));
  assertNotNull(result);
  assertEquals(67, result.size());
  //    for (Reference reference : result) {
  //      System.out.println(reference.getCode());
  //    }
}