method Keyring.prototype.addFromSeedRe-exportimport { Keyring } from "https://deno.land/x/polkadot@0.2.35/api/index.ts"; addFromSeed(seed: Uint8Array,meta?: KeyringPair$Meta,type?: KeypairType,): KeyringPairParametersseed: Uint8Arrayoptionalmeta: KeyringPair$Meta = [UNSUPPORTED]optionaltype: KeypairType = [UNSUPPORTED]ReturnsKeyringPair