docs: @Descriptor("Gets the importation/exportation linker available")
      public void linker(@Descriptor("linker [-(import|export)] [ID name]") String... parameters) {
          List<ServiceReference> exportationLinkerRef = getAllServiceRefs(ExportationLinker.class);
          List<ServiceReference> importationLinkerRef = getAllServiceRefs(ImportationLinker.class);
          StringBuilder sbFinal = new StringBuilder();
          if (exportationLinkerRef.isEmpty() && importationLinkerRef.isEmpty()) {
              sbFinal.append("No linkers available.\n");
          } else {
              if (!exportationLinkerRef.isEmpty()) {
                  for (ServiceReference reference : exportationLinkerRef) {
                      StringBuilder sb = new StringBuilder();
                      sb.append(displayServiceInfo(reference));
                      sb.append(createASCIIBox("Properties", displayServiceProperties(reference)));
                      sbFinal.append(createASCIIBox("Exportation Linker", sb));
                  }
              }
              if (!importationLinkerRef.isEmpty()) {
                  for (ServiceReference reference : importationLinkerRef) {
                      StringBuilder sb = new StringBuilder();
                      sb.append(displayServiceInfo(reference));
                      sb.append(createASCIIBox("Properties", displayServiceProperties(reference)));
                      sbFinal.append(createASCIIBox("Importation Linker", sb));
                  }
              }
          }
          print(sbFinal.toString());
      }