如何添加SQLiteOpenFlags.Xamarin iOS SQLite中的FullMutex标志

我试图在我的项目中使用SQLite数据库，使用Xamarin论坛中讨论的方法。在其中，他们创建了以下静态类:

public static class Data {
    static readonly string Path = System.IO.Path.Combine (Environment.GetFolderPath (Environment.SpecialFolder.MyDocuments), "database.db");
    static SQLite.SQLiteConnection connection;
    public static SQLite.SQLiteConnection Connection
    {
        get {
            if (connection == null) {
                connection = new SQLiteConnection (Path,SQLiteOpenFlags.ReadWrite | SQLiteOpenFlags.Create | SQLiteOpenFlags.FullMutex , true);
            }
            return connection;
        }
    }
}

我正试图实现这一点，但是我目前使用的连接方法有不同的方法签名。我想这是因为我用的是PCL。我目前连接使用:

SQLiteConnection db = new SQLiteConnection (new SQLitePlatformIOS (), AppController._dbPath, false, null);

我如何添加SQLiteOpenFlags.ReadWrite | SQLiteOpenFlags.Create | SQLiteOpenFlags.FullMutex，这样我就可以使用连接:

new SQLiteConnection (Path,SQLiteOpenFlags.ReadWrite | SQLiteOpenFlags.Create | SQLiteOpenFlags.FullMutex , true)

我已经尝试了以下内容，但它失败了，因为它不匹配所需的方法签名

_connection = new SQLiteConnection (new SQLitePlatformIOS (),Path,false,null,SQLiteOpenFlags.ReadWrite | SQLiteOpenFlags.Create | SQLiteOpenFlags.FullMutex);

public SQLiteConnection(ISQLitePlatform sqlitePlatform
                        , string databasePath
                        , SQLiteOpenFlags openFlags
                        , bool storeDateTimeAsTicks = true
                        , IBlobSerializer serializer = null
                        , IDictionary<string, TableMapping> tableMappings = null
                        , IDictionary<Type, string> extraTypeMappings = null
                        , IContractResolver resolver = null);