NuGet.PackageBuilder.IsPrereleaseDependency C# (CSharp) Method

        private static bool IsPrereleaseDependency(PackageDependency dependency)
        {
            IVersionSpec versionSpec = dependency.VersionSpec;
            if (versionSpec != null)
            {
                return (versionSpec.MinVersion != null && !String.IsNullOrEmpty(dependency.VersionSpec.MinVersion.SpecialVersion)) ||
                       (versionSpec.MaxVersion != null && !String.IsNullOrEmpty(dependency.VersionSpec.MaxVersion.SpecialVersion));
            }
            return false;
        }