toolChains.add(new UnavailableToolChain(ToolFamily.CLANG));
        }

        toolChains.sort(LATEST_RELEASED_FIRST);

        return toolChains;
    }

    static private boolean isTestableVisualStudioVersion(final VersionNumber version) {
        return getVisualStudioVersion(version) != null;
    }

    static private VisualStudioVersion getVisualStudioVersion(final VersionNumber version) {