MethodImplOptions.cs

using System.Runtime.InteropServices;

namespace System.Runtime.CompilerServices
{
    [Serializable]
    [Flags]
    [ComVisible(true)]
    [__DynamicallyInvokable]
    public enum MethodImplOptions
    {
        Unmanaged = 0x4,
        ForwardRef = 0x10,
        [__DynamicallyInvokable]
        PreserveSig = 0x80,
        InternalCall = 0x1000,
        Synchronized = 0x20,
        [__DynamicallyInvokable]
        NoInlining = 0x8,
        [ComVisible(false)]
        [__DynamicallyInvokable]
        AggressiveInlining = 0x100,
        [__DynamicallyInvokable]
        NoOptimization = 0x40
    }
}