code: protected static I_CmsGalleryServiceAsync getGalleryService() {
  
          if (m_gallerySvc == null) {
              I_CmsGalleryServiceAsync service = createGalleryService();
              m_gallerySvc = service;
          }
          return m_gallerySvc;
      }
docs: Returns the gallery service instance.<p>
  
  @return the gallery service instance