method hwLedger.Ledger.prototype.signimport { hwLedger } from "https://dotland.deno.dev/x/polkadot@0.2.38/mod.ts"; const { Ledger } = hwLedger; sign(message: Uint8Array,accountOffset?,addressOffset?,unnamed 3?: Partial<AccountOptions>,): Promise<LedgerSignature>Signs a transcation on the Ledger device Parametersmessage: Uint8ArrayoptionalaccountOffset = [UNSUPPORTED]optionaladdressOffset = [UNSUPPORTED]optionalunnamed 3: Partial<AccountOptions> = [UNSUPPORTED]ReturnsPromise<LedgerSignature>