| 1234567891011121314151617 | using CommunityToolkit.Mvvm.ComponentModel;namespace InABox.Avalonia.Converters;public partial class StringWithDefaultConverter : AbstractConverter<string?,string?>{    [ObservableProperty]     private string? _default = "";    protected override string? Convert(string? value, object? parameter = null)    {        return String.IsNullOrWhiteSpace(value)            ? _default            : value;    }    }
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