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  package org.apache.cayenne.project;
  
  import org.apache.cayenne.resource.Resource;
  
  /**
   * Defines API of a project saver.
   * 
   * @since 3.1
   */
  public interface ProjectSaver {
  
      /**
       * Returns a version of the project configuration supported by the current runtime.
       */
      String getSupportedVersion();
  
      /**
       * Saves project in the location of its current configuration sources. Since resource
       * names are determined using a naming convention based on the project node names, if
       * any of the nodes were renamed, the old locations will be deleted. After saving,
       * resets configuration sources of all project objects to the new Resources.
       */
      void save(Project project);
  
      /**
       * Saves project in a location defined by the 'baseDirectory' Resource. Does not
       * delete the old resource locations. After saving, resets configuration sources of
       * all project objects to the new Resources.
       */
      void saveAs(Project project, Resource baseDirectory);
  }
  