Create a new item of the given type.
Create a new relationship between two items.
Delete a relationship between two items.
List items of the given type, with the given criteria.
Optional selectedFields: string[]List the relationships for a given item.
Read an existing item of the given type.
Optional selectedFields: string[]Update an existing item of the given type.
This update will always act as a patch.
Use null to signify the deletion of a field.
Assign values to all fields to perform a replacement.
The item must always contain its primary field value.
A service using TypeInfo to perform ORM operations with one or many
DBServiceItemDriverinstances.