code: public void setRegisterBlueprintsByPackage(String _package) throws RegisterBlueprintException {
  
          Set<Class<?>> annotated = null;
          try {
              annotated = new ClassesInPackageScanner().findAnnotatedClasses(_package, Blueprint.class);
          } catch (IOException e) {
              throw new RegisterBlueprintException(e);
          }
  
          logger.info("Scanned {} and found {}", _package, annotated);
  
          this.setRegisterBlueprints(annotated);
      }
docs: Register all Blueprint in package.
  
  @param _package String package to scan
  @throws RegisterBlueprintException failed to register blueprint