code: public Map<String, List<String>> getThisOutputFieldsForStreams() {
          Map<String, List<String>> streamToFields = new HashMap<>();
          for (String stream : this.getThisStreams()) {
              streamToFields.put(stream, this.getThisOutputFields(stream).toList());
          }
          return streamToFields;
      }
docs: Gets the declared output fields for the specified stream id for the component this task is a part of.