TourIAm/TIAMWebApp/Shared/Interfaces/IPopulationStructureDataProvider.cs

using TIAMWebApp.Shared.Application.Models;

namespace TIAMWebApp.Shared.Application.Interfaces
{
    public interface IPopulationStructureDataProvider
    {
        public Task<PopulationAgeStructureItem[]> QueryData();
    }
}