Further Drupal 8.6.4 changes. Some core files were not committed before a commit...
[yaffs-website] / web / core / lib / Drupal / Core / Entity / Plugin /
drwxr-xr-x   ..
drwxr-xr-x - DataType
drwxr-xr-x - Derivative
drwxr-xr-x - EntityReferenceSelection
drwxr-xr-x - Validation