docs: public static synchronized Map<String,OpDef> opDescs() {
          if(DESCRIPTORS != null){
              return DESCRIPTORS;
          }
  
          try (InputStream contents = new ClassPathResource("ops.proto").getInputStream(); BufferedInputStream bis2 = new BufferedInputStream(contents); BufferedReader reader = new BufferedReader(new InputStreamReader(bis2))) {
              org.tensorflow.framework.OpList.Builder builder = org.tensorflow.framework.OpList.newBuilder();
  
              StringBuilder str = new StringBuilder();
              String line = null;
              while ((line = reader.readLine()) != null) {
                  str.append(line);//.append("\n");
              }
  
  
              TextFormat.getParser().merge(str.toString(), builder);
              List<OpDef> list =  builder.getOpList();
              Map<String,OpDef> map = new HashMap<>();
              for(OpDef opDef : list) {
                  map.put(opDef.getName(),opDef);
              }
  
              DESCRIPTORS = map;
              return DESCRIPTORS;
          } catch (Exception e) {
              throw new ND4JIllegalStateException("Unable to load tensorflow descriptors", e);
          }
  
      }