code: private boolean moveParserToField(JsonParser parser, String path)
              throws IOException {
          List<String> segments = getFieldPath(path);
  
          for (String segment : segments) {
              if (parser.getCurrentToken() != JsonToken.START_OBJECT) {
                  // Always expect the path to be fields in a JSON map
                  return false;
              }
  
              boolean found = false;
  
              JsonToken currentToken = parser.nextToken();
              while (!found && currentToken != JsonToken.END_OBJECT) {
                  if (currentToken != JsonToken.FIELD_NAME) {
                      // This should always be a field.  Something is amiss.
                      throw new IOException("Field not found at expected location");
                  }
                  String fieldName = parser.getText();
                  if (fieldName.equals(segment)) {
                      // Move to the next token, which is the field value
                      found = true;
                      currentToken = parser.nextToken();
                  } else {
                      parser.nextValue();
                      currentToken = skipValue(parser);
                  }
              }
  
              if (!found) {
                  // Field was not found
                  return false;
              }
          }
  
          // The current location in the parser is the value.
          return true;
      }
docs: Don't materialize the entire parser content, do a targeted search for the value that matches the path.