namespace System.Dynamic { public abstract class DeleteMemberBinder : DynamicMetaObjectBinder { public bool IgnoreCase { get; } public string Name { get; } protected DeleteMemberBinder(string name, bool ignoreCase); public DynamicMetaObject FallbackDeleteMember(DynamicMetaObject target); public abstract DynamicMetaObject FallbackDeleteMember(DynamicMetaObject target, DynamicMetaObject errorSuggestion); } }