private var canRemove = false

      override fun hasNext(): Boolean {
        if (nextUrl != null) return true

        canRemove = false // Prevent delegate.remove() on the wrong item!
        while (delegate.hasNext()) {
          try {
            delegate.next().use { snapshot ->
              val metadata = snapshot.getSource(ENTRY_METADATA).buffer()

        } else {
          mainMethod.invoke(null, arrayOf<String>())
        }
      } else {
        System.err.println("No main for $className")
      }
    } catch (ite: InvocationTargetException) {
      if (!expectedFailure(className, ite.cause!!)) {
        throw ite.cause!!
      }
    }
  }

  @Suppress("UNUSED_PARAMETER")
  private fun expectedFailure(
    className: String,
    cause: Throwable,
  ): Boolean {

        override fun describeTo(description: Description) {
          description.appendText("JDK with version from $version")
        }

        override fun matchesSafely(item: PlatformVersion): Boolean {
          return item.majorVersion >= version
        }
      }
    }

    fun onMajor(version: Int): Matcher<PlatformVersion> {
      return object : TypeSafeMatcher<PlatformVersion>() {

0F00          ; valid                                  # 2.0  TIBETAN SYLLABLE OM
0F01..0F0A    ; valid                  ;      ; NV8    # 2.0  TIBETAN MARK GTER YIG MGO TRUNCATED A..TIBETAN MARK BKA- SHOG YIG MGO
0F0B          ; valid                                  # 2.0  TIBETAN MARK INTERSYLLABIC TSHEG