function keyring.createTestPairsimport { keyring } from "https://dotland.deno.dev/x/polkadot@0.2.23/mod.ts"; const { createTestPairs } = keyring; createTestPairs(options?: KeyringOptions, isDerived?): TestKeyringMapParametersoptionaloptions: KeyringOptionsoptionalisDerived = [UNSUPPORTED]ReturnsTestKeyringMap