boolean acceptClass(String classname) {
    if (inclusions.isEmpty() && exclusions.isEmpty()) {
      return true;
    }
    return acceptResource(classToResource(classname));
  }
@Test
  void NONE_accepts_nothing() throws Exception {
    assertThat(Mask.NONE.acceptClass("org.sonar.Bar")).isFalse();
    assertThat(Mask.NONE.acceptClass("Bar")).isFalse();
  }