code: public void setFinishedChildBranchesData(ArrayList<EndBranchDataContainer> data) {
          Validate.isTrue(!contextMap.containsKey(ExecutionParametersConsts.FINISHED_CHILD_BRANCHES_DATA),
                  "not allowed to overwrite finished branches data");
          contextMap.put(ExecutionParametersConsts.FINISHED_CHILD_BRANCHES_DATA, data);
      }
docs: setter for the finished child brunches data
  
  @param data - list of EndBranchDataContainer