@JsonIgnore
    public Map<String, Object> getInputData() {
        if (!inputPayload.isEmpty() && !inputData.isEmpty()) {
            inputData.putAll(inputPayload);
            inputPayload = new HashMap<>();
            return inputData;
        } else if (inputPayload.isEmpty()) {
            return inputData;
        } else {
            return inputPayload;
        }
    }
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