docs: def get_all_rml(self, **kwargs):
          """
          Returns a dictionary with the output of all the rml procceor results
          """
          rml_procs = self.es_defs.get("kds_esRmlProcessor", [])
          role = kwargs.get('role')
          if role:
              rml_procs = [proc for proc in rml_procs
                           if role == 'rdf_class' or
                           proc['force']]
          rml_maps = {}
          for rml in rml_procs:
              rml_maps[rml['name']] = self.get_rml(rml, **kwargs)
          return rml_maps