OptionalhubDefaults to ${baseUrl}/hubs/mt4/v2. Override only for non-standard deployments.
OptionalloggerOptional logger sink — same shape @microsoft/signalr accepts.
Pass LogLevel.Information from the package, or any object with a log(level, message) method.
OptionalreconnectReconnect intervals in milliseconds. Pass false to disable auto-reconnect.
Default: [0, 2000, 10_000, 30_000] then give up.
SignalR-specific overrides layered on top of the REST-client options shape.