public static IEnumerable<IBuildConfiguration> EnumerateComposedConfigurations<TContext>(
    IEnumerable<IBuildScheme> treeFromLeafToRoot) where TContext : IBuildContext
{
    HashSet<Type> taskTypes = new();
    var configurationsByScheme = treeFromLeafToRoot.Select(s =>
    {
        var t = typeof(TContext);
        if (t.IsAssignableFrom(typeof(IPreBuildContext)))
        {
            return s.PreBuildConfigurations;
        }

        if (t.IsAssignableFrom(typeof(IInternalPrepareContext)))
        {
            return s.InternalPrepareConfigurations;
        }

        if (t.IsAssignableFrom(typeof(IPostBuildContext)))
        {
            return s.PostBuildConfigurations;
        }

        return Enumerable.Empty<IBuildConfiguration>();
    });

    foreach (var configurations in configurationsByScheme)
    {
        foreach (var configuration in configurations)
            if (taskTypes.Add(configuration.TaskType))
                yield return configuration;
    }
}