code: function (config, mockSrc) {
      var mockManifestPath = path.join(process.cwd(), mockSrc,
        mockManifestFilename),
  
        // read manifest JSON by require'ing it
        mockManifest = require(mockManifestPath),
  
        // read files for default scenario first, so we can merge it into other
        // scenarios later
        defaultScenario = readScenario(config, mockSrc, [],
          mockManifest._default, '_default');
  
      // read files for each scenario
      return _.mapValues(mockManifest, function (filenames, scenarioName) {
        return readScenario(config, mockSrc, defaultScenario, filenames,
          scenarioName);
      });
    }
docs: Read scenario definitions and return a structure that
  multimockDataProvider.setMockData will understand.