namespace System.Text.Unicode
{
    public static class Utf8
    {
        [EditorBrowsable(EditorBrowsableState.Never)]
        [InterpolatedStringHandler]
        public struct TryWriteInterpolatedStringHandler
        {
            public bool AppendFormatted(ReadOnlySpan<byte> utf8Value, int alignment = 0, string? format = null);
        }
    }
}