@SuppressWarnings("UnusedDeclaration")
	public String getAuthProviderClass() {
		if (StringUtils.isNotEmpty(getUser().getAuthProviderClass())) {
			return getUser().getAuthProviderClass();
		}
		return userInfoProviderClass;
	}
Get auth provider class name.

@return auth provider class
ngrinder-controller/src/main/java/org/ngrinder/security/SecuredUser.java