method Tx.prototype.addSignerKeyRe-exportimport { Tx } from "https://deno.land/x/lucid@0.10.7/src/mod.ts"; addSignerKey(keyHash: PaymentKeyHash | StakeKeyHash): TxAdd a payment or stake key hash as a required signer of the transaction. ParameterskeyHash: PaymentKeyHash | StakeKeyHashReturnsTx