/**
     * Creates a {@link BeanDescImpl}.
     *
     * @param beanClass
     *            the class of the bean. Must not be {@literal null}
     */
    public BeanDescImpl(final Class<?> beanClass) {
        assertArgumentNotNull("beanClass", beanClass);

        this.beanClass = beanClass;
        typeVariables = getTypeVariableMap(beanClass);
        setupConstructorDescs();
        setupPropertyDescs();

     * </p>
     *
     * @param beanClass
     *            The parameterized type (class or interface). Must not be {@literal null}.
     * @return A {@link Map} with type variables as keys and type arguments as values for the parameterized type.
     */
    public static Map<TypeVariable<?>, Type> getTypeVariables(final Class<?> beanClass) {
        assertArgumentNotNull("beanClass", beanClass);