docs: void digReplaceContent(Map<String, Object> map) {
  
          map.entrySet().stream().forEach(entry -> {
  
              Object value = entry.getValue();
  
              if (value instanceof Map) {
                  digReplaceContent((Map<String, Object>) value);
  
              } else {
                  LOGGER.debug("Leaf node found = {}, checking for any external json file...", value);
                  if (value != null && value.toString().contains(JSON_PAYLOAD_FILE)) {
                      LOGGER.info("Found external JSON file place holder = {}. Replacing with content", value);
                      String valueString = value.toString();
                      String token = getJsonFilePhToken(valueString);
                      if (token != null && token.startsWith(JSON_PAYLOAD_FILE)) {
                          String resourceJsonFile = token.substring(JSON_PAYLOAD_FILE.length());
                          try {
                              Object jsonFileContent = objectMapper.readTree(readJsonAsString(resourceJsonFile));
                              entry.setValue(jsonFileContent);
                          } catch (Exception exx) {
                              LOGGER.error("External file reference exception - {}", exx.getMessage());
                              throw new RuntimeException(exx);
                          }
                      }
                      // ----------------------------------------------------
                      // Extension- for XML file type in case a ticket raised
                      // ----------------------------------------------------
                      /*
                      else if (token != null && token.startsWith(XML_FILE)) {
  
                      }
                      */
  
                      // ---------------------------------------------------
                      // Extension- for Other types in case a ticket raised
                      // ---------------------------------------------------
                      /*
                      else if (token != null && token.startsWith(OTHER_FILE)) {
  
                      }
                      */
  
                  }
              }
          });
      }