Renamed folder

SchengenVisaApi/ApplicationLayer/Services/Locations/RequestHandlers/ApplicantRequests/ILocationRequestsHandler.cs

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+using Domains.LocationDomain;
+
+namespace ApplicationLayer.Services.Locations.RequestHandlers.ApplicantRequests
+{
+    /// Handles location requests
+    public interface ILocationRequestsHandler
+    {
+        /// Handle get request
+        /// <returns>List of available countries</returns>
+        Task<List<Country>> HandleGetRequestAsync(CancellationToken cancellationToken);
+    }
+}

SchengenVisaApi/ApplicationLayer/Services/Locations/RequestHandlers/ApplicantRequests/LocationRequestsHandler.cs

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+using ApplicationLayer.Services.Locations.NeededServices;
+using Domains.LocationDomain;
+
+namespace ApplicationLayer.Services.Locations.RequestHandlers.ApplicantRequests
+{
+    /// <inheritdoc cref="ILocationRequestsHandler"/>
+    public class LocationRequestsHandler(ICountriesRepository countries) : ILocationRequestsHandler
+    {
+        async Task<List<Country>> ILocationRequestsHandler.HandleGetRequestAsync(CancellationToken cancellationToken)
+        {
+            return await countries.GetAllAsync(cancellationToken);
+        }
+    }
+}