SVNAuthentication auth = myProviders[i].requestClientAuthentication(kind, null, realm, null, null, myIsStoreAuth);
SVNAuthentication auth = myProviders[i].requestClientAuthentication(kind, url, realm, null, null, myIsStoreAuth);
    public SVNAuthentication getFirstAuthentication(String kind, String realm, SVNURL url) throws SVNException {        myPreviousAuthentication = null;        myPreviousErrorMessage = null;        myLastProviderIndex = 0;        // iterate over providers and ask for auth till it is found.        for (int i = 0; i < myProviders.length; i++) {            if (myProviders[i] == null) {                continue;            }            SVNAuthentication auth = myProviders[i].requestClientAuthentication(kind, null, realm, null, null, myIsStoreAuth);            if (auth != null) {                myPreviousAuthentication = auth;                myLastProviderIndex = i;                return auth;            }            if (i == 3) {                throw new SVNCancelException("svn: Authentication cancelled");            }        }        throw new SVNAuthenticationException("svn: Authentication required for '" + realm + "'");    }