System.Xml.XmlSerializer by: Microsoft

Provides classes for serializing objects to the Extensible Markup Language (XML) and deserializing XML data to objects. Commonly Used Types: System.Xml.Serialization.IXmlSerializable System.Xml.Serialization.XmlSerializer System.Xml.Serialization.XmlIgnoreAttribute System.Xml.Serialization.XmlElementAttribute System.Xml.Serialization.XmlAttributeAttribute System.Xml.Serialization.XmlArrayAttribute System.Xml.Serialization.XmlRootAttribute System.Xml.Serialization.XmlArrayItemAttribute System.Xml.Serialization.XmlTypeAttribute System.Xml.Serialization.XmlEnumAttribute When using NuGet 3.x this package requires at least version 3.4.

Validation by: Andrew Arnott

Method input validation and runtime checks that report errors or throw exceptions when failures are detected.

Xamarin.Android.Support.Vector.Drawable by: Xamarin Inc.

Vector Drawable Android Support Library C# bindings for Xamarin

Xamarin.Build.Download by: Microsoft

Support for downloading and unpacking archives when building MSBuild projects