oh dear

mscorlib/System/Security/ISecurityEncodable.cs

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+using System;
+using System.Runtime.InteropServices;
+using Cpp2IlInjected;
+
+namespace System.Security
+{
+	/// <summary>Defines the methods that convert permission object state to and from XML element representation.</summary>
+	// Token: 0x020003A4 RID: 932
+	[Token(Token = "0x20003A4")]
+	[ComVisible(true)]
+	public interface ISecurityEncodable
+	{
+		/// <summary>Creates an XML encoding of the security object and its current state.</summary>
+		/// <returns>An XML encoding of the security object, including any state information.</returns>
+		// Token: 0x0600204F RID: 8271
+		[Token(Token = "0x600204F")]
+		[Address(Slot = "0")]
+		SecurityElement ToXml();
+	}
+}