I want to use Qoder to assist me in developing features based on requirements. Currently, we are working with Java, but it requires relying on Kingdee’s self-packaged framework for development, with most functionalities encapsulated in jar packages. How can Qoder learn the code within these jar packages? Additionally, some parts involve retrieving corresponding values through page field keys, which are stored as metadata in the database. How can Qoder quickly learn this