text: #include "directed_relationship.h"
  #include "named_element.h"
  
  /**~use case~ 
   * A_include_includingCase [Association]
   * 
   * Diagrams
   * 
   * Use Cases
   * 
   * Member Ends
   * 
   *  UseCase::include
   *  Include::includingCase
  **/
  /**
   * A_addition_include [Association]
   * 
   * Diagrams
   * 
   * Use Cases
   * 
   * Owned Ends
   * 
   *  include : Include [0..*]{subsets A_target_directedRelationship::directedRelationship} (opposite
   * Include::addition)
  **/