Method getNote

/**
 * Used for finding the text for the note
 *
 * @param   int  $count   The count of installed Extensions
 *
 * @return  string  The text for the note
 *
 * @since   4.0.0
 */
public function getNote(int $count) : string
{
    if ($count < 1) {
        return 'No extensions were discovered.';
    } elseif ($count === 1) {
        return $count . ' extension has been discovered.';
    } else {
        return $count . ' extensions have been discovered.';
    }
}