final List<Object> statements = new ArrayList<Object>();
//if (attrs.isEmpty()){
if (claimedAttrs.isEmpty()){
AuthnContext ctx = samlFac.createAuthnContext(this.authnCtxClass, null);
final AuthnStatement statement = samlFac.createAuthnStatement(issueInst, null, ctx, null, null);
statements.add(statement);
}else{
final AttributeStatement statement = samlFac.createAttributeStatement(null);
statements.add(statement);
}