Changes to Bulk import models.

the endpoint scheme security BearerAuth was added to the API

the endpoint scheme security BearerAuth was removed from the API

the endpoint scheme security BearerAuth was added to the API

request body became required

removed the media type application/json from the request body

removed the media type application/xml from the request body

removed the success response with the status 202

added the media type multipart/form-data to the request body

added the success response with the status 200

endpoint added