GLib.MappedFile.prototype.get_contents
function get_contents(): String {
    // Gjs wrapper for g_mapped_file_get_contents()
}
  Returns the contents of a GLib.MappedFile.
Note that the contents may not be zero-terminated, even if the GLib.MappedFile is backed by a text file.
If the file is empty then null is returned.
Since 2.8
- Returns
- the contents of file, or null.