Controls whether the state graph may contain disconnected components
(islands). true permits islands (default), false requires a single
connected component, and 'with_start' permits islands only when every
component contains at least one start state.
Controls whether the state graph may contain disconnected components (islands).
truepermits islands (default),falserequires a single connected component, and'with_start'permits islands only when every component contains at least one start state.