interface Signerimport { type Signer } from "https://dotland.deno.dev/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) => voidimport Signerimport { Signer } from "https://dotland.deno.dev/x/polkadot@0.2.23/api/types/index.ts";