6 files declare their use of Mapping in GatherContent 8.3

ContentConfirmForm.php in src/Form/ContentConfirmForm.php

ContentImportSelectForm.php in src/Form/ContentImportSelectForm.php

ContentSelectForm.php in src/Form/ContentSelectForm.php

gathercontent.drush.inc in ./gathercontent.drush.inc

Drush command to cli config import.

gathercontent.module in ./gathercontent.module

Main module file for GatherContent module.

MappingImportForm.php in src/Form/MappingImportForm.php