Iterator<String> iterator = asList("one", "two", "three", "four", "five").iterator();
    IllegalArgumentException expected =
        assertThrows(IllegalArgumentException.class, () -> getOnlyElement(iterator));
    assertThat(expected)
        .hasMessageThat()
        .isEqualTo("expected one element but was: <one, two, three, four, five>");
  }

    public boolean add(@ParametricNullness E element) {
      throw new UnsupportedOperationException();
    }

    @Override
    public int add(@ParametricNullness E element, int occurrences) {
      throw new UnsupportedOperationException();
    }

    @Override
    public boolean addAll(Collection<? extends E> elementsToAdd) {
      throw new UnsupportedOperationException();
    }

    @Override

        ImmutableMap.of("one", 1, "two", 2, "three", 3), "one", 1, "two", 2, "three", 3);
    assertMapEquals(
        ImmutableMap.of("one", 1, "two", 2, "three", 3, "four", 4),
        "one",
        1,
        "two",
        2,
        "three",
        3,
        "four",
        4);
    assertMapEquals(
        ImmutableMap.of("one", 1, "two", 2, "three", 3, "four", 4, "five", 5),
        "one",

        try {
            connect();
        } catch( UnknownHostException uhe ) {
            throw new SmbException( "Failed to connect to server", uhe );
        } catch( SmbException se ) {
            throw se;
        } catch( IOException ioe ) {
            throw new SmbException( "Failed to connect to server", ioe );
        }
    }
    void doConnect() throws IOException {

      if (actual == FAILED) {
        // Handle this specially so that we can include the failureCause, if there is one.
        throw new IllegalStateException(
            "Expected the service " + this + " to be " + expected + ", but the service has FAILED",
            failureCause());
      }
      throw new IllegalStateException(
          "Expected the service " + this + " to be " + expected + ", but was " + actual);
    }
  }

        catch ( NoSuchAlgorithmException e ) {
            throw new CIFSUnsupportedCryptoException(e);
        }
    }


    /**
     * 
     * @return MD5 digest
     */
    public static MessageDigest getMD5 () {
        try {
            return MessageDigest.getInstance("MD5");
        }
        catch ( NoSuchAlgorithmException e ) {
            throw new CIFSUnsupportedCryptoException(e);
        }
    }

   * types your try block can throw when calling an overload of this method so as to avoid losing
   * the original exception type.
   *
   * <p>This method always throws, and as such should be called as {@code throw closer.rethrow(e);}
   * to ensure the compiler knows that it will throw.
   *
   * @return this method does not return; it always throws

                        thread = null;
                        throw new TransportException( "Connection timeout" );
                    case 2:
                        if (te != null) { /* doConnect throw Exception */
                            state = 4;                        /* error */
                            thread = null;
                            throw te;
                        }

        Decodable out = getOutputData();

        if ( out == null ) {
            throw new SmbException("Failed to decode output data");
        }

        if ( !responseType.isAssignableFrom(out.getClass()) ) {
            throw new SmbException("Incompatible response data " + out.getClass());
        }
        return (T) out;
    }

        if ( filter == 0 ) {
            throw new IllegalArgumentException("filter must not be 0");
        }

        if ( !isDirectory() ) {
            throw new SmbException("Is not a directory");
        }

        try ( SmbTreeHandleImpl th = ensureTreeConnected() ) {
            if ( !th.isSMB2() && !th.hasCapability(SmbConstants.CAP_NT_SMBS) ) {