oh dear

System.Core/System/Linq/Expressions/ArrayBuilderExtensions.cs

@@ -0,0 +1,20 @@
+using System;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using Cpp2IlInjected;
+
+namespace System.Linq.Expressions
+{
+	// Token: 0x0200007C RID: 124
+	[Token(Token = "0x200007C")]
+	internal static class ArrayBuilderExtensions
+	{
+		// Token: 0x0600035D RID: 861 RVA: 0x00002050 File Offset: 0x00000250
+		[Token(Token = "0x600035D")]
+		[Address(RVA = "0x192FB70", Offset = "0x192E970", VA = "0x18192FB70")]
+		public static ReadOnlyCollection<T> ToReadOnly<T>(this ArrayBuilder<T> builder)
+		{
+			return null;
+		}
+	}
+}