statechart

type State struct {
	Id         string                            `json:"id"`
	Type       string                            `json:"type"` // optional: atomic, compound. mandatory: parallel, final, history
	Initial    string                            `json:"initial"`
	Entry      []string                          `json:"entry"`  // entry actions
	Exit       []string                          `json:"exit"`   // exit actions
	On         map[string]map[string]*TargetAttr `json:"on"`     // map[event]map[targetName]attr
	States     States                            `json:"states"` // map["states"]...
	Activities []string                          `json:"activities"`
}

type States map[string]*State // map[stateName]state

type TargetAttr struct {
	Cond    string   `json:"cond"`
	Actions []string `json:"actions"` // Executable Content
}

type Transition struct {
	FromState string
	Event     string
	ToState   string
	Cond      string
	Actions   []string
}