GLib.base64_encode_close
function base64_encode_close(break_lines: Boolean, state: Number(gint), save: Number(gint)): [return_value: Number(gsize), out: ByteArray, state: Number(gint), save: Number(gint)] {
    // Gjs wrapper for g_base64_encode_close()
}
  Flush the status from a sequence of calls to GLib.base64_encode_step.
The output buffer must be large enough to fit all the data that will be written to it. It will need up to 4 bytes, or up to 5 bytes if line-breaking is enabled.
Since 2.12
- break_lines
- whether to break long lines 
- state
- Saved state from GLib.base64_encode_step 
- save
- Saved state from GLib.base64_encode_step 
- return_value
- The number of bytes of output that was written 
- out
- pointer to destination buffer 
- state (out)
- Saved state from GLib.base64_encode_step 
- save (out)
- Saved state from GLib.base64_encode_step