* <ol>
   *   <li>All its mutation methods result in UnsupportedOperationException, and do not change the
   *       underlying contents.
   *   <li>All methods that return objects that can indirectly mutate the collection throw
   *       UnsupportedOperationException when those mutators are called.
   * </ol>
   *
   * @param collection the presumed-immutable collection

      if (actualException instanceof InterruptedException) {
        return Outcome.INTERRUPT;
      } else {
        throw new AssertionError("unexpected exception", targetException);
      }
    } catch (IllegalAccessException e) {
      throw new AssertionError("unexpected exception", e);
    }
  }

  private void enterSatisfyGuardAndLeaveInCurrentThread() {
    monitor.enter();

            if (exception != null) {
              throw new ExecutionException(exception);
            } else {
              return value;
            }

          case CANCELLED:
          case INTERRUPTED:
            throw cancellationExceptionWithCause("Task was cancelled.", exception);

          default:
            throw new IllegalStateException("Error, synchronizer in invalid state: " + state);

        return;
      } catch (InterruptedException ie) {
        throw new RuntimeException("Unexpected interrupt while waiting for future", ie);
      } catch (TimeoutException tryHarder) {
        /* OK */
      }
    } while (System.nanoTime() - deadline < 0);
    throw formatRuntimeException("Future not done within %d second timeout", timeoutSeconds);
  }

  /**

                }
            }
            return new NtlmChallenge(trans.getServerEncryptionKey(), dc);
        } catch (final SmbException e) {
            throw e;
        } catch (final IOException e) {
            throw new SmbException("Connection failed", e);
        }
    }

    /**
     * @return
     */
    private CIFSContext getTransportContext() {

            client.admin().indices().prepareRefresh().setIndices(actualIndex).execute().actionGet(settings.getIndicesTimeout());
        } catch (final Exception e) {
            throw new SuggestSettingsException("Failed to add to array.", e);
        }
    }

    /**
     * Delete values from array index.
     * @param index Index
     * @param type Type
     * @param key Key

  }

  @MapFeature.Require(absent = ALLOWS_NULL_KEY_QUERIES)
  public void testGet_nullNotContainedAndUnsupported() {
    try {
      assertNull("get(null) should return null or throw", get(null));
    } catch (NullPointerException tolerated) {
    }
  }

  @MapFeature.Require(ALLOWS_NULL_KEYS)
  @CollectionSize.Require(absent = ZERO)
  public void testGet_nonNullWhenNullContained() {

  }

  @CollectionFeature.Require(absent = ALLOWS_NULL_VALUES)
  public void testFind_nullNotContainedAndUnsupported() {
    try {
      assertEquals(getMethodName() + "(nullNotPresent) should return -1 or throw", -1, find(null));
    } catch (NullPointerException tolerated) {
    }
  }

  @CollectionFeature.Require(ALLOWS_NULL_VALUES)
  @CollectionSize.Require(absent = ZERO)
  public void testFind_nonNullWhenNullContained() {

  }

  private static <T> Callable<T> callableThrowing(Exception exception) {
    return () -> {
      throw exception;
    };
  }

  private static Runnable runnableThrowing(RuntimeException e) {
    return () -> {
      throw e;
    };
  }

  @SuppressWarnings("serial")
  private static class SampleCheckedException extends Exception {}

    public String check(final String string) throws PACDecodingException {
        if (this.pointer == 0 && string != null) {
            throw new PACDecodingException("Non-empty string");
        }

        final int expected = this.length / 2;
        if (string.length() != expected) {
            throw new PACDecodingException("Invalid string length, expected " + expected + ", have " + string.length());
        }

        return string;