anchor.diff:      }
   
       if (upload) {
  -      optParams.add("String content");
  -      optParams.add("String contentType");
  +      optParams.add("core.String content");
  +      optParams.add("core.String contentType");
         tmp.write(_createParamComment("content", {"description": "Base64 Data of the file content to be uploaded"}));
         tmp.write(_createParamComment("contentType", {"description": "MimeType of the file to be uploaded"}));
       }
  
positive.code:  * Base class for all API clients, offering generic methods for HTTP Requests to the API
   */
  abstract class Client {
    String basePath;
    String rootUrl;
    bool makeAuthRequests;
    Map params;
  
    static const _boundary = "-------314159265358979323846";
    static const _delimiter = "\\r\\n--\$_boundary\\r\\n";
    static const _closeDelim = "\\r\\n--\$_boundary--";
  
    Client() {
      params = new Map();
      makeAuthRequests = false;
    }
  
    /**
     * Sends a HTTPRequest using [method] (usually GET or POST) to [requestUrl] using the specified [urlParams] and [queryParams]. Optionally include a [body] in the request.
     */
    Future request(String requestUrl, String method, {String body, String contentType:"application/json", Map urlParams, Map queryParams});
  
    /**
     * Joins [content] (encoded as Base64-String) with specified [contentType] and additional request [body] into one multipart-body and send a HTTPRequest with [method] (usually POST) to [requestUrl]
     */
    Future upload(String requestUrl, String method, String body, String content, String contentType, {Map urlParams, Map queryParams}) {
      var multiPartBody = new StringBuffer();
      if (contentType == null || contentType.isEmpty) {
        contentType = "application/octet-stream";
      }
  
negative.code: 
      tmp.write("\n");
      tmp.write("  /** Create new $name from JSON data */\n");
      tmp.write("  ${capitalize(name)}.fromJson(core.Map json) {\n");
      if (data.containsKey("properties")) {
        data["properties"].forEach((key, property) {
          var schemaType = property["type"];
  