GLib.IOChannel.prototype.get_line_term

function get_line_term(length: Number(gint)): String {
    // Gjs wrapper for g_io_channel_get_line_term()
}

This returns the string that GLib.IOChannel uses to determine where in the file a line break occurs. A value of null indicates autodetection.

length: a location to return the length of the line terminator
Returns: The line termination string. This value is owned by GLib and must not be freed.