Specify record length while sftp to mainframe in .NET code

sftp> ls /+lrecl=255

session.ListDirectory("/+lrecl=255")

SessionOptions sessionOptions = new SessionOptions
{
    Protocol = Protocol.Sftp,
    HostName = "ServeName",
    UserName = "Userid",
    SshHostKeyFingerprint = "------------",
    SshPrivateKeyPath = @"----------------",
};
sessionOptions.AddRawSettings("FSProtocol", "2");
sessionOptions.AddRawSettings("CacheDirectories", "0");
sessionOptions.AddRawSettings("CacheDirectoryChanges", "0");
 
using (Session session = new Session())
{
    session.Open(sessionOptions);
    TransferOptions transferOptions = new TransferOptions
    { TransferMode = TransferMode.Automatic, };
 
    session.ListDirectory("/+lrecl=35");
    session.ListDirectory("/+RECFM=FB");
    session.PutFiles(sourcepath, cpedFilename, false, transferOptions).Check();
}

session.ListDirectory("/+lrecl=35");
session.ListDirectory("/+RECFM=FB");

session.ListDirectory("/+recfm=fb,lrecl=2214,blksize=0,replace/");

// Setup session options
SessionOptions sessionOptions = new SessionOptions
{
    Protocol = Protocol.Sftp,
    HostName = "10.0.0.7",
    PortNumber = 2222,
    UserName = "user",
    Password = "password",
    SshHostKeyFingerprint = "ssh-rsa 2048 JEdoyPd09IwNgLHT6mnRJunJwO6GihiHhrTgq0TXrks"
};
 
using (Session session = new Session())
{
    // Connect
    session.Open(sessionOptions);
 
    // Upload files
 
    TransferOptions transferOptions = new TransferOptions
    { TransferMode = TransferMode.Automatic, };
 
    session.ListDirectory("/+lrecl=35");
    session.PutFiles(@"C:\Temp\LOTE1808.035", "/public/test2/", false, transferOptions).Check();
}