docs: public static FilesystemFramework getInstanceWithoutProjectsDir(final String rdeck_base_dir) {
          File baseDir = new File(rdeck_base_dir);
          File propertyFile = getPropertyFile(getConfigDir(baseDir));
          String projectsDir=null;
          if(propertyFile.exists()){
              PropertyRetriever propertyRetriever = FilesystemFramework.createPropertyRetriever(baseDir);
              projectsDir = propertyRetriever.getProperty("framework.projects.dir");
          }
          return new FilesystemFramework(new File(rdeck_base_dir), new File(projectsDir));
      }