SunCertPathBuilderParameters params =
new SunCertPathBuilderParameters(Collections.singleton(anchor),xcs);
params.setBuildForward(false);
CertStore cs = CertUtils.createStore(new String[]
{"mgrM2prjM", "prjM2mgrM", "prjM2divE", "mgrM2leadMA" });
params.addCertStore(cs);
CertStore cs2 = CertUtils.createCRLStore
(new String[] {"mgrMcrl", "prjMcrl"});
params.addCertStore(cs2);
PKIXCertPathBuilderResult res = CertUtils.build(params);
}