public void put(final String name, final Serializable value) {
        if (value != null) {
            properties.put(name, value);
        }
    }
Put context property.

@param name  the name
@param value the value
support/cas-server-support-saml-idp-core/src/main/java/org/apereo/cas/support/saml/authentication/SamlIdPAuthenticationContext.java