FlowGraphNodeKind

type FlowGraphNodeKind = 
  | "entry"
  | "say"
  | "ask"
  | "do"
  | "media"
  | "choose"
  | "form"
  | "goto"
  | "guard"
  | "use"
  | "delay"
  | "end"
  | "conversation"
  | "missing"
  | "step";