...OCPP16IncomingRequestCommand
};
-export type Request = [(payload?: Record<string, unknown>, requestPayload?: Record<string, unknown>) => void, (error?: OCPPError) => void, Record<string, unknown>];
+export type Request = [(payload: Record<string, unknown> | string, requestPayload: Record<string, unknown>) => void, (error: OCPPError) => void, Record<string, unknown>];
export type IncomingRequest = [MessageType, string, IncomingRequestCommand, Record<string, unknown>, Record<string, unknown>];