class Messageimport { Message } from "https://deno.land/x/lucid@0.10.7/src/lucid/message.ts"; ConstructorsnewMessage(lucid: Lucid,address: Address | RewardAddress,payload: Payload,)Propertiesaddress: Address | RewardAddresslucid: Lucidpayload: PayloadMethodssign(): Promise<SignedMessage>Sign message with selected wallet. signWithPrivateKey(privateKey: PrivateKey): SignedMessageSign message with a separate private key.