oh dear

mscorlib/System/Runtime/InteropServices/DispIdAttribute.cs

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+using System;
+using Cpp2IlInjected;
+
+namespace System.Runtime.InteropServices
+{
+	/// <summary>Specifies the COM dispatch identifier (DISPID) of a method, field, or property.</summary>
+	// Token: 0x02000566 RID: 1382
+	[Token(Token = "0x2000566")]
+	[ComVisible(true)]
+	[AttributeUsage(AttributeTargets.Method | AttributeTargets.Property | AttributeTargets.Field | AttributeTargets.Event)]
+	public sealed class DispIdAttribute : Attribute
+	{
+		/// <summary>Initializes a new instance of the <see langword="DispIdAttribute" /> class with the specified DISPID.</summary>
+		/// <param name="dispId">The DISPID for the member.</param>
+		// Token: 0x06002A96 RID: 10902 RVA: 0x00002050 File Offset: 0x00000250
+		[Token(Token = "0x6002A96")]
+		[Address(RVA = "0x4D83A0", Offset = "0x4D71A0", VA = "0x1804D83A0")]
+		public DispIdAttribute(int dispId)
+		{
+		}
+
+		// Token: 0x040018AD RID: 6317
+		[FieldOffset(Offset = "0x10")]
+		[Token(Token = "0x40018AD")]
+		internal int _val;
+	}
+}