Umbraco-CMS/src/Umbraco.Core/Mapping/MapDefinitionCollectionBuilder.cs

using Umbraco.Core.Composing;

namespace Umbraco.Core.Mapping
{
    public class MapDefinitionCollectionBuilder : SetCollectionBuilderBase<MapDefinitionCollectionBuilder, MapDefinitionCollection, IMapDefinition>
    {
        protected override MapDefinitionCollectionBuilder This => this;

        protected override Lifetime CollectionLifetime => Lifetime.Transient;
    }
}