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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System;
namespace Microsoft.AspNetCore.SignalR.Protocol;
internal static class ProtocolHelper
{
internal static Type? TryGetReturnType(IInvocationBinder binder, string invocationId)
{
try
{
return binder.GetReturnType(invocationId);
}
// GetReturnType throws if invocationId not found, this can be caused by the server canceling a client-result but the client still sending a result
// For now let's ignore the failure and skip parsing the result, server will log that the result wasn't expected anymore and ignore the message
// In the future we may want a CompletionBindingFailureMessage that we can flow to the dispatcher for handling
catch (Exception)
{
return null;
}
}
}
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