Movie.cs

public class Movie
{
    public string Title { get; } = "The Big Lebowski";

    public List<string> Genres { get; } = new List<string> { "Comedy", "Crime" };
}

Movie.Generated.cs

public class Movie
{
    [CompilerGenerated]
    private readonly string <Title>k__BackingField;
    
    [CompilerGenerated]
    private readonly List<string> <Genres>k__BackingField;
    
    public string Title
    {
        [CompilerGenerated]
        get { return this.<Title>k__BackingField; }
    }
    
    public List<string> Genres
    {
        [CompilerGenerated]
        get { return this.<Genres>k__BackingField; }
    }
    
    public Movie()
    {
        this.<Title>k__BackingField = "The Big Lebowski";
        this.<Genres>k__BackingField = new List<string> { "Comedy", "Crime" };
        
        base(); // This is not valid C#, but it represents the IL correctly.
    }
}