public PatientPipelineStep( IFhirService fhirService, IPatientSynchronizer patientSynchronizer) { EnsureArg.IsNotNull(fhirService, nameof(fhirService)); EnsureArg.IsNotNull(patientSynchronizer, nameof(patientSynchronizer)); _fhirService = fhirService; _patientSynchronizer = patientSynchronizer; }