public abstract class Delegate : ICloneable, ISerializable
    {
        protected Delegate(object target, string method);
        protected Delegate(Type target, string method);

        public static bool operator !=(Delegate d1, Delegate d2);
        public static bool operator ==(Delegate d1, Delegate d2);

        public MethodInfo Method { get; }
        public object Target { get; }

        public virtual object Clone();
        public static Delegate Combine(params Delegate[] delegates);
        public static Delegate Combine(Delegate a, Delegate b);
        protected virtual Delegate CombineImpl(Delegate d);
        public static Delegate CreateDelegate(Type type, MethodInfo method);
        public static Delegate CreateDelegate(Type type, MethodInfo method, bool throwOnBindFailure);
        public static Delegate CreateDelegate(Type type, object firstArgument, MethodInfo method);
        public static Delegate CreateDelegate(Type type, object target, string method);
        public static Delegate CreateDelegate(Type type, Type target, string method);
        public static Delegate CreateDelegate(Type type, object firstArgument, MethodInfo method, bool throwOnBindFailure);
        public static Delegate CreateDelegate(Type type, object target, string method, bool ignoreCase);
        public static Delegate CreateDelegate(Type type, Type target, string method, bool ignoreCase);
        public static Delegate CreateDelegate(Type type, object target, string method, bool ignoreCase, bool throwOnBindFailure);
        public static Delegate CreateDelegate(Type type, Type target, string method, bool ignoreCase, bool throwOnBindFailure);
        public object DynamicInvoke(params object[] args);
        protected virtual object DynamicInvokeImpl(object[] args);
        public override bool Equals(object obj);
        public override int GetHashCode();
        public virtual Delegate[] GetInvocationList();
        protected virtual MethodInfo GetMethodImpl();
        public virtual void GetObjectData(SerializationInfo info, StreamingContext context);
        public static Delegate Remove(Delegate source, Delegate value);
        public static Delegate RemoveAll(Delegate source, Delegate value);
        protected virtual Delegate RemoveImpl(Delegate d);
    }