<PackageReference Include="Microsoft.Packaging.Tools" Version="1.0.0-preview1-25301-01" />

System.Reflection.Metadata.SignatureTypeCode

public enum SignatureTypeCode
Array = 20

Boolean = 2

Byte = 5

Char = 3

Double = 13

Int16 = 6

Int32 = 8

Int64 = 10

IntPtr = 24

Invalid = 0

Object = 28

Pinned = 69

Pointer = 15

SByte = 4

Sentinel = 65

Single = 12

String = 14

SZArray = 29

UInt16 = 7

UInt32 = 9

UInt64 = 11

UIntPtr = 25

Void = 1