Hi.

There has been a lot of topics for Umbraco in custom classes and I can't figure out the correct way to implement a static class (for extensions).

public static class CompositionExtensions
{
    private static readonly IUmbracoContextFactory _context;

    public static void SetUmbracoRoutes(this Composition composition)
    {
        var rootNodes = _context.EnsureUmbracoContext().UmbracoContext.ContentCache.GetByXPath("root/");

I saw some link to Lazy<> and LazyInitializer but did not get the context of how to actually implement it.

Any help would be great!