method keyring.Keyring.prototype.createFromPairimport { keyring } from "https://dotland.deno.dev/x/polkadot@0.2.45/mod.ts"; const { Keyring } = keyring; createFromPair(pair: Keypair,meta?: KeyringPair$Meta,type?: KeypairType,): KeyringPairParameterspair: Keypairoptionalmeta: KeyringPair$Meta = [UNSUPPORTED]optionaltype: KeypairType = [UNSUPPORTED]ReturnsKeyringPair