Here is a list of all files with brief descriptions:

ILegacyDeviceService.cs
ILegacyDocTrackingService.cs
ILegacyGetAdvancedSettingsService.cs
ILegacyGetDeviceDestinationsService.cs
ILegacyGetDynamicFieldsAndValidateService.cs
ILegacyGetFieldsToValidateService.cs
ILegacyGetIndexFieldsService.cs
ILegacyGetIndexFieldsService2.cs
ILegacyLicenseCheckService.cs
ILegacyLookupService.cs
ILegacyMetricsService.cs
ILegacyNotificationService.cs
ILegacyPingService.cs
ILegacyProfileService.cs
ILegacyRetrieveAllUsersService.cs
ILegacyRetrieveScanSettingsService.cs
ILegacyScanActivityPostAction.cs
ILegacyScanHistoryService.cs
ILegacySendImageService.cs
ILegacySendImageService2.cs
ILegacySendToKDEInboxService.cs
ILegacySendToKDEInboxService2.cs
ILegacySendWithCoversheetService.cs
ILegacySendWithCoversheetService2.cs
ILegacyStartJobService.cs
ILegacyUserLoginService.cs
ILegacyUserLogoutService.cs
ILegacyValidateFieldService.cs
ILegacyValidateFormService.cs
ILegacyValidateUserService.cs
ILegacyValidateUserService2.cs
IWscResponse.cs
WscLookupRequest.cs
WscRequest.cs
WscResponse.cs