[Textmate] `readonly` getter and setter in struct

[sharpchen]

Details

What editor are you seeing the problem in? (e.g. Atom, Visual Studio Code, etc.)
vscode
What version of the editor are you using?
1.85.1
What color theme are you using?
dark plus

Repro

struct M
{
    private int counter;
    public int Counter
    {
        get => counter;
        readonly set { }
    }
    public int this[int i]
    {
        readonly get => counter;
        set { }
    }
    public readonly void Method()
    {
        counter++;
    }
}

Please provide a code example and (optionally) a screenshot demonstrating the problem.