Вытащил солюшен на уровень выше, чтобы прощё было дотнетить

ApplicationLayer/Services/VisaApplications/NeededServices/IEntityWriter.cs

@@ -0,0 +1,7 @@
+namespace ApplicationLayer.Services.VisaApplications.NeededServices
+{
+    public interface IEntityWriter
+    {
+        Task<Stream> WriteEntityToStream(object entity, CancellationToken cancellationToken);
+    }
+}

ApplicationLayer/Services/VisaApplications/NeededServices/IVisaApplicationsRepository.cs

@@ -0,0 +1,16 @@
+using ApplicationLayer.InfrastructureServicesInterfaces;
+using Domains.VisaApplicationDomain;
+
+namespace ApplicationLayer.Services.VisaApplications.NeededServices;
+
+public interface IVisaApplicationsRepository : IGenericRepository<VisaApplication>
+{
+    /// Get applications of one applicant
+    Task<List<VisaApplication>> GetOfApplicantAsync(Guid applicantId, CancellationToken cancellationToken);
+
+    /// Get specific application of specific user
+    Task<VisaApplication> GetByApplicantAndApplicationIdAsync(Guid applicantId, Guid applicationId, CancellationToken cancellationToken);
+
+    /// Returns pending applications for approving authorities
+    Task<List<VisaApplication>> GetPendingApplicationsAsync(CancellationToken cancellationToken);
+}