oh dear

AstarPathfindingProject/Pathfinding/Util/Checksum.cs

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+using System;
+using Cpp2IlInjected;
+
+namespace Pathfinding.Util
+{
+	// Token: 0x02000149 RID: 329
+	[Token(Token = "0x20000CC")]
+	public class Checksum
+	{
+		// Token: 0x06000A7C RID: 2684 RVA: 0x00006764 File Offset: 0x00004964
+		[Token(Token = "0x6000904")]
+		[Address(RVA = "0x24CD8D0", Offset = "0x24CC6D0", VA = "0x1824CD8D0")]
+		public static uint GetChecksum(byte[] arr, uint hash)
+		{
+			return 0U;
+		}
+
+		// Token: 0x06000A7D RID: 2685 RVA: 0x00002082 File Offset: 0x00000282
+		[Token(Token = "0x6000905")]
+		[Address(RVA = "0x3F5100", Offset = "0x3F3F00", VA = "0x1803F5100")]
+		public Checksum()
+		{
+		}
+	}
+}