GenericParameterAttributes.cs

namespace System.Reflection
{
    [Flags]
    [__DynamicallyInvokable]
    public enum GenericParameterAttributes
    {
        [__DynamicallyInvokable]
        None = 0x0,
        [__DynamicallyInvokable]
        VarianceMask = 0x3,
        [__DynamicallyInvokable]
        Covariant = 0x1,
        [__DynamicallyInvokable]
        Contravariant = 0x2,
        [__DynamicallyInvokable]
        SpecialConstraintMask = 0x1C,
        [__DynamicallyInvokable]
        ReferenceTypeConstraint = 0x4,
        [__DynamicallyInvokable]
        NotNullableValueTypeConstraint = 0x8,
        [__DynamicallyInvokable]
        DefaultConstructorConstraint = 0x10
    }
}