code: String getTemplateOfMap(Type[] actualTypeArguments, IJsonMarshaller jsonMarshaller) {
  		StringBuilder res = new StringBuilder("{");
  		boolean first = true;
  		for (Type actualTypeArgument : actualTypeArguments) {
  			if (!first) {
  				res.append(":");
  			}
  			res.append(_getTemplateOfType(actualTypeArgument, jsonMarshaller));
  			first = false;
  		}
  		res.append("}");
  		return res.toString();
  	}
docs: Get template of map class from generic type
  
  @param actualTypeArguments
  @return