oh dear

System/ComponentModel/CollectionChangeAction.cs

@@ -0,0 +1,24 @@
+using System;
+using Cpp2IlInjected;
+
+namespace System.ComponentModel
+{
+	/// <summary>Specifies how the collection is changed.</summary>
+	// Token: 0x020000F7 RID: 247
+	[Token(Token = "0x20000F7")]
+	public enum CollectionChangeAction
+	{
+		/// <summary>Specifies that an element was added to the collection.</summary>
+		// Token: 0x04000481 RID: 1153
+		[Token(Token = "0x4000481")]
+		Add = 1,
+		/// <summary>Specifies that an element was removed from the collection.</summary>
+		// Token: 0x04000482 RID: 1154
+		[Token(Token = "0x4000482")]
+		Remove,
+		/// <summary>Specifies that the entire collection has changed. This is caused by using methods that manipulate the entire collection, such as <see cref="M:System.Collections.CollectionBase.Clear" />.</summary>
+		// Token: 0x04000483 RID: 1155
+		[Token(Token = "0x4000483")]
+		Refresh
+	}
+}