code: public com.google.appengine.v1.FileInfo getFilesOrDefault(
        java.lang.String key,
        com.google.appengine.v1.FileInfo defaultValue) {
      if (key == null) { throw new java.lang.NullPointerException(); }
      java.util.Map<java.lang.String, com.google.appengine.v1.FileInfo> map =
          internalGetFiles().getMap();
      return map.containsKey(key) ? map.get(key) : defaultValue;
    }
docs: <pre>
  Manifest of the files stored in Google Cloud Storage that are included
  as part of this version. All files must be readable using the
  credentials supplied with this call.
  </pre>
  
  <code>map&lt;string, .google.appengine.v1.FileInfo&gt; files = 1;</code>