9 files declare their use of SalesforceAuthProviderPluginManagerInterface in Salesforce Suite 8.4

Rest.php in modules/salesforce_push/src/Plugin/SalesforcePushQueueProcessor/Rest.php

RestClient.php in src/Rest/RestClient.php

SalesforceAuthSettings.php in src/Form/SalesforceAuthSettings.php

SalesforceCommandsBase.php in src/Commands/SalesforceCommandsBase.php

SalesforceMappingCommands.php in modules/salesforce_mapping/src/Commands/SalesforceMappingCommands.php

SalesforceMappingCommandsBase.php in modules/salesforce_mapping/src/Commands/SalesforceMappingCommandsBase.php

SalesforcePullCommands.php in modules/salesforce_pull/src/Commands/SalesforcePullCommands.php

SalesforcePushCommands.php in modules/salesforce_push/src/Commands/SalesforcePushCommands.php

SoapClient.php in modules/salesforce_soap/src/Soap/SoapClient.php