public URI qualifiedURI(String filename) throws IOException {
    try {
      URI fileURI = new URI(filename);
      if (RESOURCE_URI_SCHEME.equals(fileURI.getScheme())) {
        return fileURI;
      }
    } catch (URISyntaxException ignore) {
    }
    return qualifiedPath(filename).toUri();
  }
@Test
  public void qualifiedURITestForWindows() throws IOException {
    Assume.assumeTrue(System.getProperty("os.name").toLowerCase().startsWith("win"));
    URI uri = this.command.qualifiedURI(WIN_FILE_PATH);
    Assert.assertEquals("/C:/Test/Downloads/test.parquet", uri.getPath());
  }