Classes/Utility/ExtensionUtility.php
public static function getPrivateFolder(string $extensionKey, string $prefix = 'EXT:'): string {
    return self::privateFolder($extensionKey, $prefix);
  }
public static function getPrivateFolder(string $extensionKey, string $prefix = 'EXT:'): string {
    return self::privateFolder($extensionKey, $prefix);
  }
public static function getPrivateFolder ( string $ extensionKey , string $ prefix = 'EXT:' ) : string { return self :: privateFolder ( $ extensionKey , $ prefix ) ; }
Alias for the `privateFolder` function.

@param string $extensionKey The extension key
@param string $prefix The optional prefix, defaults to `EXT:`
@return string The private folder
Alias for the privateFolder function .