interface SignerRe-exportimport { type Signer } from "https://deno.land/x/polkadot@0.2.23/api/types/index.ts"; PropertiesoptionalsignPayload: (payload: SignerPayloadJSON) => Promise<SignerResult>optionalsignRaw: (raw: SignerPayloadRaw) => Promise<SignerResult>optionalupdate: (id: number, status: H256 | ISubmittableResult) => void