code: private List<ELResolver> _getFacesConfigElResolvers()
      {
          if (_facesConfigResolvers == null)
          {
              ExternalContext externalContext
                      = FacesContext.getCurrentInstance().getExternalContext();
              RuntimeConfig runtimeConfig
                      = RuntimeConfig.getCurrentInstance(externalContext);
              _facesConfigResolvers 
                      = runtimeConfig.getFacesConfigElResolvers();
          }
          
          return _facesConfigResolvers;
      }
docs: Returns a List of all ELResolvers from the faces-config.
  @return