lib/qx/tool/compiler/Analyser.js
function(cb) {
              async.each(t.__libraries,
                  function(library, cb) {
                    library.scanForClasses(err => {
                      log.debug("Finished scanning for " + library.getNamespace());
                      cb(err);
                    });
                  },
                  err => {
                    log.debug("Finished scanning for all libraries");
                    cb(err);
                  });
            }
function(cb) {
              async.each(t.__libraries,
                  function(library, cb) {
                    library.scanForClasses(err => {
                      log.debug("Finished scanning for " + library.getNamespace());
                      cb(err);
                    });
                  },
                  err => {
                    log.debug("Finished scanning for all libraries");
                    cb(err);
                  });
            }
Find all classes