Optionalformat'mermaid' (default) returns a Mermaid flowchart string; 'json' returns a FlowGraph.
OptionaldirectionMermaid layout direction (default 'TD', top-down).
OptionalmaxMax characters of each piece of user text (message, prompt, option, trigger)
in Mermaid labels; longer text is cut with …. Default 60; Infinity keeps
everything. The JSON graph is never truncated.
Options for describeFlows /
bot.describe().