auth                - offers only array, should offer also string (but both works)
    - properties   
        - metadata  - no suggestion - could be a string + string
constants           - offers only object, should offer also string, (but both works) -->
    - same for the inner structure
dataInputSchema     - offers only object, should offer also string, (but both works)
errors              - offers only array, should offer also string (but both works)
events              - offers only array, should offer also string (but both works)
    - metadata      - no suggestion - could be a string + string
functions           - offers only array, should offer also string (but both works)
    - metadata      - no suggestion - could be a string + string
metadata            - no suggestion - could be a string + string
retries             - offers only array, should offer also string (but both works) 
    - maxAttempts   - offers only number but could be also string
    - multiplier    - offers only float but could be also string
    - jitter        - offers only float but could be also string
secrets             - offers only array, should offer also string (but both works) 
specVersion         - could offer the latest / compatible versions
start               - offers only object, should offer also string, (but both works)
states
    - onEvents
        - actions
            - subflowRef - offers only object, should offer also string, (but both works)
timeouts            - offers only object, should offer also string, (but both works)
    - stateExecTimeout    - offers only object, should offer also string, (but both works)
    - workflowExecTimeout - offers only object, should offer also string, (but both works)