Refit: [BUG] An item with the same key has already been added. Key: 2

Created on 19 Aug 2019 · 4Comments · Source: reactiveui/refit

Describe the bug
Refit intarface:

[Get("/queues/{id}/export")]
        Task<string> GetQueueAsync([Header("Authorization")] string authorization,
                                            [AliasAs("id")] long id,
                                            [AliasAs("format")] string format,
                                            [AliasAs("page")] int page,
                                            [AliasAs("status")] [Query(CollectionFormat.Csv)] IEnumerable<string> filters);

failt with:

`System.ArgumentException: An item with the same key has already been added. Key: 1`
`   at System.Collections.Generic.Dictionary`2.TryInsert(TKey key, TValue value, InsertionBehavior behavior)
   at Refit.RestMethodInfo..ctor(Type targetInterface, MethodInfo methodInfo, RefitSettings refitSettings) in D:\a\1\s\Refit\RestMethodInfo.cs:line 46
   at Refit.RequestBuilderImplementation.AddInterfaceHttpMethods(Type interfaceType, Dictionary`2 methods) in D:\a\1\s\Refit\RequestBuilderImplementation.cs:line 77
   at Refit.RequestBuilderImplementation..ctor(Type refitInterfaceType, RefitSettings refitSettings) in D:\a\1\s\Refit\RequestBuilderImplementation.cs:line 56
   at Refit.RequestBuilderFactory.Create[T](RefitSettings settings) in D:\a\1\s\Refit\RequestBuilderFactory.cs:line 18
   at Refit.RestService.For[T](HttpClient client, RefitSettings settings) in D:\a\1\s\Refit\RestService.cs:line 28
   at ConsoleApp1.Program.Main(String[] args)`

Steps To Reproduce

static void Main(string[] args)
 {
    var apiService = RestService.For<IApiService>("http://xyz.com");
    var result = apiService.GetQueueAsync(1, "xml", ImportStates());            
}

private static IEnumerable<string> ImportStates()
{
   var states = new List<string>();
   states.Add("Postponed");
   states.Add("Split");
   states.Add("ToReview");
   return states;
}

Environment