.iterator();
    Iterator<Integer> result = Iterators.concat(input);
    assertEquals(1, (int) result.next());
    assertEquals(2, (int) result.next());
    assertThrows(NullPointerException.class, () -> result.hasNext());
    assertThrows(NullPointerException.class, () -> result.next());
    // There is no way to get "through" to the 3.  Buh-bye
  }

    /**
     * Builds the effective toolchains for the specified toolchains files.
     *
     * @param request the toolchains building request that holds the parameters, must not be {@code null}
     * @return the result of the toolchains building, never {@code null}
     * @throws ToolchainsBuilderException if the effective toolchains could not be built
     */
    ToolchainsBuilderResult build(ToolchainsBuilderRequest request);

    /**

		},
	}
	for i, test := range cases {
		listKey, item := splitPath(test.path, test.secondIndex)
		if listKey != test.expectedListKey || item != test.expectedItem {
			t.Errorf("unexpected result on test[%v]: expected[%s, %s] but got [%s, %s]", i, test.expectedListKey, test.expectedItem, listKey, item)
		}
	}

        if (event !is TaskFinishEvent) {
            return
        }

        val taskPath = event.descriptor.taskPath
        if (shouldInclude(taskPath)) {
            action(taskPath, event.result)
        }
    }

    protected open fun shouldInclude(taskPath: String): Boolean = parameters.monitoredTaskPaths.get().contains(taskPath)

    abstract fun action(taskPath: String, taskResult: TaskOperationResult)

  @Override
  public <A extends Annotation> A[] getDeclaredAnnotationsByType(Class<A> annotationType) {
    @Nullable
    A[] result = FluentIterable.from(annotations).filter(annotationType).toArray(annotationType);
    @SuppressWarnings("nullness") // safe because the input list contains no nulls
    A[] cast = (A[]) result;
    return cast;
  }

  /**
   * Returns the {@link AnnotatedType} of the parameter.
   *

    }

    public static void main(String[] args) {
        int result = main(args, null);

        System.exit(result);
    }

    public static int main(String[] args, ClassWorld classWorld) {
        MavenCli cli = new MavenCli();

        MessageUtils.systemInstall();
        MessageUtils.registerShutdownHook();
        int result = cli.doMain(new CliRequest(args, classWorld));

    assertThat(transformation.isHorizontal()).isFalse();
    assertThat(transformation.slope()).isWithin(ALLOWED_ERROR).of(slope);
    // Note that we cannot test the actual mapping of points, as the results will be unreliable due
    // to loss of precision with this value of the slope.
  }

  public void testMappingWithSlope_maximalSlope() {
    double x1 = 1.2;
    double y1 = 3.4;

    assertThat(transformation.isHorizontal()).isFalse();
    assertThat(transformation.slope()).isWithin(ALLOWED_ERROR).of(slope);
    // Note that we cannot test the actual mapping of points, as the results will be unreliable due
    // to loss of precision with this value of the slope.
  }

  public void testMappingWithSlope_maximalSlope() {
    double x1 = 1.2;
    double y1 = 3.4;

  @Override
  public int compareTo(Cut<C> that) {
    if (that == belowAll()) {
      return 1;
    }
    if (that == aboveAll()) {
      return -1;
    }
    int result = Range.compareOrThrow(endpoint, that.endpoint);
    if (result != 0) {
      return result;
    }
    // same value. below comes before above
    return Boolean.compare(this instanceof AboveValue, that instanceof AboveValue);
  }

  C endpoint() {

// limitations under the License.

package install

import "istio.io/istio/pkg/monitoring"

var (
	resultLabel                   = monitoring.CreateLabel("result")
	resultSuccess                 = "SUCCESS"
	resultCopyBinariesFailure     = "COPY_BINARIES_FAILURE"
	resultCreateKubeConfigFailure = "CREATE_KUBECONFIG_FAILURE"
	resultCreateCNIConfigFailure  = "CREATE_CNI_CONFIG_FAILURE"