/// <summary>
            /// Create a new value from a key. Must be threadsafe. Value may or may not be added
            /// to collection. Return value must not be null.
            /// </summary>
            protected override unsafe MethodEntrypointPtr CreateValueFromKey(MethodEntrypointLookup key)
            {
                lock (this)
                {
                    IntPtr thunk = IntPtr.Zero;
                    if (s_thunkPoolHeap == null)
                    {
                        s_thunkPoolHeap = RuntimeAugments.CreateThunksHeap(s_entryPointStub);
                        MethodEntrypointPtr.SetThunkPool(s_thunkPoolHeap);
                        Debug.Assert(s_thunkPoolHeap != null);
                    }

                    thunk = RuntimeAugments.AllocateThunk(s_thunkPoolHeap);
                    Debug.Assert(thunk != IntPtr.Zero);
                    MethodEntrypointData *methodEntrypointData = (MethodEntrypointData *)MemoryHelpers.AllocateMemory(sizeof(MethodEntrypointData));

                    *methodEntrypointData = new MethodEntrypointData(key.MethodHandle, thunk);

                    RuntimeAugments.SetThunkData(s_thunkPoolHeap, thunk, IntPtr.Zero, new IntPtr(methodEntrypointData));

                    SerializedDebugData.RegisterTailCallThunk(thunk);

                    return(new MethodEntrypointPtr(methodEntrypointData));
                }
            }
 internal MethodEntrypointPtr(MethodEntrypointData *data)
 {
     _data = data;
 }