docs: public FilePath[] getModuleRoots(FilePath workspace, AbstractBuild build) {
          if (Util.isOverridden(SCM.class,getClass(),"getModuleRoots", FilePath.class))
              // if the subtype derives legacy getModuleRoots(FilePath), delegate to it
              return getModuleRoots(workspace);
  
          // otherwise the default implementation
          return new FilePath[]{getModuleRoot(workspace,build)};
      }