* @return the constructed {@code RequestedReferenceType} instance.
*/
public static RequestedReferenceType createRequestedReference(KeyIdentifierType keyIdentifier, Map<QName, String> attributes) {
SecurityTokenReferenceType securityTokenReference = new SecurityTokenReferenceType();
securityTokenReference.addAny(keyIdentifier);
securityTokenReference.addOtherAttributes(attributes);
RequestedReferenceType reference = new RequestedReferenceType();
reference.setSecurityTokenReference(securityTokenReference);
return reference;
}