| 0x01 | IsNullable | bool | 1 flags |
| 0x01 | IsConvertable | bool | 1 flags |
| 0x01 | IsEnum | bool | 1 flags |
| 0x08 | NonNullableUnderlyingType | Type | 1 flags |
| 0x006B | 0x01 | padding / unreflected |
| 0x04 | InternalReadType | ReadType | 1 flags |
| 0x04 | ContractType | JsonContractType | 1 flags |
| 0x01 | IsReadOnlyOrFixedSize | bool | 1 flags |
| 0x01 | IsSealed | bool | 1 flags |
| 0x01 | IsInstantiable | bool | 1 flags |
| 0x08 | _onDeserializedCallbacks | List`1 | Private |
| 0x08 | _onDeserializingCallbacks | List`1 | Private |
| 0x08 | _onSerializedCallbacks | List`1 | Private |
| 0x08 | _onSerializingCallbacks | List`1 | Private |
| 0x08 | _onErrorCallbacks | List`1 | Private |
| 0x08 | _createdType | Type | Private |
| 0x08 | <UnderlyingType>k__BackingField | Type | Private+1 flags |
| 0x02 | <IsReference>k__BackingField | Nullable`1 | Private |
| 0x08 | <Converter>k__BackingField | JsonConverter | Private |
| 0x08 | <InternalConverter>k__BackingField | JsonConverter | Private |
| 0x08 | <DefaultCreator>k__BackingField | Func`1 | Private |
| 0x01 | <DefaultCreatorNonPublic>k__BackingField | bool | Private |