<PackageReference Include="Newtonsoft.Json" Version="13.0.1" />

Newtonsoft.Json.Utilities.PrimitiveTypeCode

enum PrimitiveTypeCode
BigInteger = 36

BigIntegerNullable = 37

Boolean = 4

BooleanNullable = 5

Byte = 14

ByteNullable = 15

Bytes = 40

Char = 2

CharNullable = 3

DateTime = 26

DateTimeNullable = 27

DateTimeOffset = 28

DateTimeOffsetNullable = 29

DBNull = 41

Decimal = 30

DecimalNullable = 31

Double = 24

DoubleNullable = 25

Empty = 0

Guid = 32

GuidNullable = 33

Int16 = 8

Int16Nullable = 9

Int32 = 12

Int32Nullable = 13

Int64 = 18

Int64Nullable = 19

Object = 1

SByte = 6

SByteNullable = 7

Single = 22

SingleNullable = 23

String = 39

TimeSpan = 34

TimeSpanNullable = 35

UInt16 = 10

UInt16Nullable = 11

UInt32 = 16

UInt32Nullable = 17

UInt64 = 20

UInt64Nullable = 21

Uri = 38