FlowExecutionMessage
import type { FlowExecutionMessage } from "https://aws-api-gyr5wj9zj0fg.deno.dev/v0.2/services/iotthingsgraph.ts";interface FlowExecutionMessage {
eventType?: FlowExecutionEventType | null;
messageId?: string | null;
payload?: string | null;
timestamp?: Date | number | null;
}