using System;
using Cpp2IlInjected;

namespace System.Reflection
{
	/// <summary>Describes the constraints on a generic type parameter of a generic type or method.</summary>
	// Token: 0x0200021B RID: 539
	[Token(Token = "0x200021B")]
	[Flags]
	public enum GenericParameterAttributes
	{
		/// <summary>There are no special flags.</summary>
		// Token: 0x04000A5C RID: 2652
		[Token(Token = "0x4000A5C")]
		None = 0,
		/// <summary>Selects the combination of all variance flags. This value is the result of using logical OR to combine the following flags: <see cref="F:System.Reflection.GenericParameterAttributes.Contravariant" /> and <see cref="F:System.Reflection.GenericParameterAttributes.Covariant" />.</summary>
		// Token: 0x04000A5D RID: 2653
		[Token(Token = "0x4000A5D")]
		VarianceMask = 3,
		/// <summary>The generic type parameter is covariant. A covariant type parameter can appear as the result type of a method, the type of a read-only field, a declared base type, or an implemented interface.</summary>
		// Token: 0x04000A5E RID: 2654
		[Token(Token = "0x4000A5E")]
		Covariant = 1,
		/// <summary>The generic type parameter is contravariant. A contravariant type parameter can appear as a parameter type in method signatures.</summary>
		// Token: 0x04000A5F RID: 2655
		[Token(Token = "0x4000A5F")]
		Contravariant = 2,
		/// <summary>Selects the combination of all special constraint flags. This value is the result of using logical OR to combine the following flags: <see cref="F:System.Reflection.GenericParameterAttributes.DefaultConstructorConstraint" />, <see cref="F:System.Reflection.GenericParameterAttributes.ReferenceTypeConstraint" />, and <see cref="F:System.Reflection.GenericParameterAttributes.NotNullableValueTypeConstraint" />.</summary>
		// Token: 0x04000A60 RID: 2656
		[Token(Token = "0x4000A60")]
		SpecialConstraintMask = 28,
		/// <summary>A type can be substituted for the generic type parameter only if it is a reference type.</summary>
		// Token: 0x04000A61 RID: 2657
		[Token(Token = "0x4000A61")]
		ReferenceTypeConstraint = 4,
		/// <summary>A type can be substituted for the generic type parameter only if it is a value type and is not nullable.</summary>
		// Token: 0x04000A62 RID: 2658
		[Token(Token = "0x4000A62")]
		NotNullableValueTypeConstraint = 8,
		/// <summary>A type can be substituted for the generic type parameter only if it has a parameterless constructor.</summary>
		// Token: 0x04000A63 RID: 2659
		[Token(Token = "0x4000A63")]
		DefaultConstructorConstraint = 16
	}
}