function keyHdkdSr25519import { keyHdkdSr25519 } from "https://dotland.deno.dev/x/polkadot@0.2.35/util-crypto/index.ts"; keyHdkdSr25519(keypair: Keypair, unnamed 1: DeriveJunction): KeypairParameterskeypair: Keypairunnamed 1: DeriveJunctionReturnsKeypair