Вытащил солюшен на уровень выше, чтобы прощё было дотнетить

ApplicationLayer/Services/VisaApplications/Handlers/IVisaApplicationRequestsHandler.cs

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+using ApplicationLayer.Services.VisaApplications.Models;
+using ApplicationLayer.Services.VisaApplications.Requests;
+
+namespace ApplicationLayer.Services.VisaApplications.Handlers;
+
+public interface IVisaApplicationRequestsHandler
+{
+    /// Returns all applications for approving authorities
+    Task<List<VisaApplicationPreview>> GetPendingAsync(CancellationToken cancellationToken);
+
+    /// Returns all applications of one applicant
+    Task<List<VisaApplicationPreview>> GetForApplicantAsync(CancellationToken cancellationToken);
+
+    /// Returns one application with specific id
+    Task<VisaApplicationModel> GetApplicationForApplicantAsync(Guid id, CancellationToken cancellationToken);
+
+    /// Returns one application with specific id
+    Task<VisaApplicationModel> GetApplicationForAuthorityAsync(Guid id, CancellationToken cancellationToken);
+
+    /// Creates application for applicant with specific user identifier
+    Task HandleCreateRequestAsync(VisaApplicationCreateRequest request, CancellationToken cancellationToken);
+
+    /// Sets application status to closed
+    Task HandleCloseRequestAsync(Guid applicationId, CancellationToken cancellationToken);
+
+    /// Sets application status to approved or rejected
+    Task SetApplicationStatusFromAuthorityAsync(Guid applicationId, AuthorityRequestStatuses status, CancellationToken cancellationToken);
+
+    /// Returns stream with file with formatted application data to download
+    Task<Stream> ApplicationToStreamAsync(Guid applicationId, CancellationToken cancellationToken);
+}