The policy to apply when trying to import an object with same identifier as an existing object.
This is the view of the different policies of merge available to the application, for the business logic, see Merger (and its implementations in Mergers).
Returns the enum constant of this class with the specified name.
The string must match exactly an identifier used to declare an
enum constant in this class. (Extraneous whitespace characters are
not permitted.)
Parameters:
name - the name of the enum constant to be returned.