docs: protected void processBindings(ObjectMapper jsonMapper, JsonNode root) {
      String script = null;
      try {
        if(root.has("bindings")) {
          JsonNode bindingsNode = root.get("bindings");
          if(bindingsNode.isArray()) {
            String[] jsLines = jsonMapper.reader(String[].class).readValue(bindingsNode);
            StringBuilder b = new StringBuilder();
            for(String s: jsLines) {
              b.append(s).append("\n");
            }
            script = b.toString();
            scriptEngine.eval(script);
            LOG.debug("Successfully evaluated [{}] lines of JS in bindings", jsLines.length);
          }
        }
      } catch (Exception ex) {
        throw new IllegalArgumentException("Failed to evaluate opentsdb.conf.json javascript binding [" + script + "]", ex);
      }
    }