@JsonIgnore
    public void setInputData(Map<String, Object> inputData) {
        if (inputData == null) {
            inputData = new HashMap<>();
        }
        this.inputData = inputData;
    }
Used to note that a sub workflow associated with SUB_WORKFLOW task has an action performed on
it directly.
core/src/main/java/com/netflix/conductor/model/TaskModel.java