8 files declare their use of BibciteFormatManagerInterface in Bibliography & Citation 8

Export.php in modules/bibcite_export/src/Plugin/bibcite/link/Export.php

ExportAllForm.php in modules/bibcite_export/src/Form/ExportAllForm.php

ExportMultipleForm.php in modules/bibcite_export/src/Form/ExportMultipleForm.php

FormatConverter.php in src/Routing/FormatConverter.php

FormatExportLink.php in modules/bibcite_export/src/Plugin/Derivative/FormatExportLink.php

FormatLocalTask.php in modules/bibcite_entity/src/Plugin/Derivative/FormatLocalTask.php

ImportForm.php in modules/bibcite_import/src/Form/ImportForm.php

PopulateForm.php in modules/bibcite_import/src/Form/PopulateForm.php