class SimpleServiceIdentityProvider implements ServiceIdentityProvider {

    public String getHost() {
        return host;
    }

    public  SimpleServiceIdentityProvider(String domainName, String serviceName,
            PrivateKey privateKey, String keyId);
    public  SimpleServiceIdentityProvider(String domainName, String serviceName,
            PrivateKey privateKey, String keyId, long tokenTimeout);
    public  SimpleServiceIdentityProvider(Authority authority, String domainName,
            String serviceName, PrivateKey privateKey, String keyId, long tokenTimeout);

}