Transition result
'Ok': transition valid
'FromNotFound': the from state is missing from machine definition
'ToNotFound': the 'to' state is missing from machine definition
'Invalid': not allowed to transition to target state from the current state
'Terminal': not allowed to transition because from state is the final state
Transition result 'Ok': transition valid 'FromNotFound': the from state is missing from machine definition 'ToNotFound': the 'to' state is missing from machine definition 'Invalid': not allowed to transition to target state from the current state 'Terminal': not allowed to transition because from state is the final state