public void InstallLatestPackage(string source, EnvDTE.Project project, string packageId, bool includePrerelease, bool ignoreDependencies)
            {
                // Use reflection until the 3.5.0 version of NuGet.VisualStudio is released
                // publicly.  Then we call into this method directly.
                var installLatestPackageInfo = _packageInstaller.GetType().GetMethod(
                    nameof(InstallLatestPackage), BindingFlags.Public | BindingFlags.Instance);

                if (installLatestPackageInfo != null)
                {
                    installLatestPackageInfo.Invoke(_packageInstaller,
                                                    new object[] { source, project, packageId, includePrerelease, ignoreDependencies });
                }
            }