6 files declare their use of SynonymsFindProviderInterface in Synonyms 8

AutocompleteService.php in src/SynonymsService/Behavior/AutocompleteService.php

BaseField.php in src/Plugin/Synonyms/Provider/BaseField.php

EntityGetBySynonym.php in src/SynonymsService/EntityGetBySynonym.php

EntityReferenceField.php in src/Plugin/Synonyms/Provider/EntityReferenceField.php

Field.php in src/Plugin/Synonyms/Provider/Field.php

SynonymsEntity.php in synonyms_views_argument_validator/src/Plugin/views/argument_validator/SynonymsEntity.php