text: //
  // Created by VisAnalyticsKit on 19.04.16.
  // Copyright (c) 2016 VisAnalyticsKit. MIT
  //
  
  #import <Foundation/Foundation.h>
  
  /**
   *  base helper to extend for the different types of filesystemwriters
   */
  @interface VAKFilesystemHelperBase : NSObject
  
  /**
   * retrieves a fully qualified filename. utilies the template method pattern.
   *
   * @param NSString the foldername to set
   *
   * @param NSString the filename to set
   *
   * @param NSString extension the file type extension, eg. "json"
   *
   * @return NSString the fully qualifed filename eg. /the/path/to/my/awesome/file.extension
   */
  + (NSString *)getFilename:(NSString *)folder file:(NSString *)filename extension:(NSString *)extension;
  
  /**
   * helper to get the dirname
   */
  + (NSString *)getDirname:(NSString *)dirname;
  
  @end
  