namespace System.Reflection.Metadata { public struct NamespaceDefinitionHandle : IEquatable<NamespaceDefinitionHandle> { public bool IsNil { get; } public static implicit operator Handle(NamespaceDefinitionHandle handle); public static explicit operator NamespaceDefinitionHandle(Handle handle); public bool Equals(NamespaceDefinitionHandle other); public static bool operator ==(NamespaceDefinitionHandle left, NamespaceDefinitionHandle right); public static bool operator !=(NamespaceDefinitionHandle left, NamespaceDefinitionHandle right); } }