oh dear

mscorlib/System/Runtime/CompilerServices/StateMachineAttribute.cs

@@ -0,0 +1,37 @@
+using System;
+using Cpp2IlInjected;
+
+namespace System.Runtime.CompilerServices
+{
+	/// <summary>Allows you to determine whether a method is a state machine method.</summary>
+	// Token: 0x02000544 RID: 1348
+	[Token(Token = "0x2000544")]
+	[AttributeUsage(AttributeTargets.Method)]
+	[Serializable]
+	public class StateMachineAttribute : Attribute
+	{
+		/// <summary>Returns the type object for the underlying state machine type that was generated by the compiler to implement the state machine method.</summary>
+		/// <returns>Gets the type object for the underlying state machine type that was generated by the compiler to implement the state machine method.</returns>
+		// Token: 0x1700063F RID: 1599
+		// (set) Token: 0x06002A3A RID: 10810 RVA: 0x00002050 File Offset: 0x00000250
+		[Token(Token = "0x1700063F")]
+		private Type StateMachineType
+		{
+			[Token(Token = "0x6002A3A")]
+			[Address(RVA = "0x3F7200", Offset = "0x3F6000", VA = "0x1803F7200")]
+			[CompilerGenerated]
+			set
+			{
+			}
+		}
+
+		/// <summary>Initializes a new instance of the <see cref="T:System.Runtime.CompilerServices.StateMachineAttribute" /> class.</summary>
+		/// <param name="stateMachineType">The type object for the underlying state machine type that was generated by the compiler to implement the state machine method.</param>
+		// Token: 0x06002A3B RID: 10811 RVA: 0x00002050 File Offset: 0x00000250
+		[Token(Token = "0x6002A3B")]
+		[Address(RVA = "0x462000", Offset = "0x460E00", VA = "0x180462000")]
+		public StateMachineAttribute(Type stateMachineType)
+		{
+		}
+	}
+}