Narrow API#6005

Merged

greg0ire merged 2 commits intosonata-project:masterfrom

phansys:narrow_api2

May 23, 2020

Commits on May 22, 2020

Narrow API from `Sonata\AdminBundle\Admin\`
phansys
committed

Commits on May 23, 2020

Update some declarations at `FieldDescriptionInterface` and `BaseFieldDescription`
phansys
committed