code: private TableFieldSchema parseFieldAnnotations(Field field) {
      TableFieldSchema tf = new TableFieldSchema();
      String name = getFieldName(field);
      String desc = getFieldDescription(field);
      String fieldMode = getFieldMode(field);
  
      return tf.setName(name).setDescription(desc).setMode(fieldMode);
    }
docs: Parses the annotations on field and returns a populated {@link TableFieldSchema}.