TokenRequirements tokenRequirements = new TokenRequirements();
tokenRequirements.setTokenType(STSConstants.STATUS);
parameters.setTokenRequirements(tokenRequirements);
KeyRequirements keyRequirements = new KeyRequirements();
parameters.setKeyRequirements(keyRequirements);
parameters.setPrincipal(new CustomTokenPrincipal("alice"));
// Mock up message context
MessageImpl msg = new MessageImpl();