code: public void toNotContainValue(final V value) {
          expectNotNull(this.getValue(), "Expected null to not contain the value '%s'", value);
  		expectTrue(!this.getValue().containsValue(value), "Expected '%s' to not contain value '%s'", this.getValue(), value);
  	}
docs: Checks if the stored {@code Map} does not contain the given {@code value}.
  <p>This method throws an {@code AssertionError} if
  <ul>
  <li>the stored {@code Map} does not contain the given {@code value}</li>
  <li>the stored {@code Map} is {@code null}</li>
  </ul>
  @param value the expected value