namespace System.Dynamic { public abstract class DeleteIndexBinder : DynamicMetaObjectBinder { public CallInfo CallInfo { get; } protected DeleteIndexBinder(CallInfo callInfo); public DynamicMetaObject FallbackDeleteIndex(DynamicMetaObject target, DynamicMetaObject[] indexes); public abstract DynamicMetaObject FallbackDeleteIndex(DynamicMetaObject target, DynamicMetaObject[] indexes, DynamicMetaObject errorSuggestion); } }