@Test
  public void array() {
    assertAttribute("arrayDouble",
            "org.immutables.criteria.matcher.IterableMatcher.Template<R,org.immutables.criteria.matcher.DoubleMatcher.Template<R>,java.lang.Double,double[]>");

  }
Scans all attributes using reflection and generates a matcher
criteria/common/test/org/immutables/criteria/processor/CriteriaModelProcessorTest.java