@Override
        public BeanSupplier<T> supplyUnchecked(final CheckedSupplier<T> beanSupplier) {
            this.beanSupplier = Unchecked.supplier(beanSupplier);
            return this;
        }
Create a null bean.

@return the bean supplier
core/cas-server-core-util-api/src/main/java/org/apereo/cas/util/spring/beans/BeanSupplier.java