docs: function loadConfigFromFS(app, apimanager, models, dir, uid, cb) {
    // clear out existing files from model structure
    models.forEach(
      function(model) {
        model.files = [];
      }
    );
  
    if (apimanager.host) {
      var files = [];
      logger.debug('loadConfigFromFS entry');
      try {
        if (dir !== '') {
          files = fs.readdirSync(dir);
        }
      } catch (e) {
        logger.error('Failed to read directory: ', dir);
        cb(e);
        return;
      }
  
      logger.debug('files: ', files);
      var jsonFile = new RegExp(/.*\.json$/);
      // correlate files with appropriate model
      files.forEach(
        function(file) {
          logger.debug('file match jsonFile: ', file.match(jsonFile));
          if (file.match(jsonFile)) {
            for (var i = 0; i < models.length; i++) {
              if (file.indexOf(models[i].prefix) > -1) {
                logger.debug('%s file: %s', models[i].name, file);
                models[i].files.push(file);
                break;
              }
            }
          }
        }
      );
      // populate data-store models with the file contents
      populateModelsWithAPImData(app, models, dir, uid, cb);
    } else {
      var YAMLfiles = [];
      logger.debug('dir: ', dir);
  
      //read the apic settings
      var cfg = readApicConfig(dir);
  
      //read the YAML files
      project.loadProject(dir).then(function(artifacts) {
        logger.debug('%j', artifacts);
        artifacts.forEach(
          function(artifact) {
            if (artifact.type === 'swagger') {
              YAMLfiles.push(artifact.filePath);
            }
          });
  
        // populate data-store models with the file contents
        populateModelsWithLocalData(app, YAMLfiles, cfg, dir, uid, cb);
      });
    }
  }