Umbraco-CMS/src/Umbraco.Web.Common/ModelsBuilder/UmbracoAssemblyLoadContext.cs

using System.Reflection;
using System.Runtime.Loader;

namespace Umbraco.Cms.Web.Common.ModelsBuilder
{
    internal class UmbracoAssemblyLoadContext : AssemblyLoadContext
    {
        /// <summary>
        /// Initializes a new instance of the <see cref="UmbracoAssemblyLoadContext"/> class.
        /// </summary>
        /// <remarks>
        /// Collectible AssemblyLoadContext used to load in the compiled generated models.
        /// Must be a collectible assembly in order to be able to be unloaded.
        /// </remarks>
        public UmbracoAssemblyLoadContext()
            : base(isCollectible: true)
        {
        }

        // we never load anything directly by assembly name. This method will never be called
        protected override Assembly Load(AssemblyName assemblyName) => null;
    }
}