Microsoft.VisualStudio.Composition 17.7.40 Microsoft MIT https://licenses.nuget.org/MIT PackageIcon.png README.md https://github.com/Microsoft/vs-mef Lightning fast MEF engine, supporting System.ComponentModel.Composition and System.Composition. https://github.com/Microsoft/vs-mef/releases/tag/v17.7.40 © Microsoft Corporation. All rights reserved. Mef Composition Extensibility