fsm

type State struct {
	Name    string `json:"name"`
	Initial bool   `json:"initial,omitempty"`
	Final   bool   `json:"final,omitempty"`
}

type StateMachine struct {
	Protocol    string       `json:"protocol"`
	States      []State      `json:"states"`
	Transitions []Transition `json:"transitions"`
}

type Transition struct {
	From      string `json:"from"`
	To        string `json:"to"`
	Event     string `json:"event"`
	Condition string `json:"condition,omitempty"`
}