/// <summary>
/// Extension method for PlayServicesSupport that calls DependOn with the specified
/// artifact ID.
/// </summary>
internal static void DependOn(this PlayServicesSupport instance, PackageId artifactId,
string versionSpecifier)
{
var info = artifactId.Info();
instance.DependOn(info.group, info.artifact, versionSpecifier);
}
/// <summary>
/// Extension method of PackageId that returns a version less key for the artifact
/// in the form "group:artifact".
/// </summary>
internal static string VersionlessKey(this PackageId artifactId)
{
var info = artifactId.Info();
return(String.Format("{0}:{1}", info.group, info.artifact));
}