function utilCrypto.mnemonicValidateimport { utilCrypto } from "https://dotland.deno.dev/x/polkadot@0.2.35/mod.ts"; const { mnemonicValidate } = utilCrypto; mnemonicValidate(mnemonic: string, onlyJs?: boolean): booleanExamples import { mnemonicGenerate, mnemonicValidate } from 'https://deno.land/x/polkadot@0.2.35/util-crypto/mod.ts'; const mnemonic = mnemonicGenerate(); // => string const isValidMnemonic = mnemonicValidate(mnemonic); // => boolean Parametersmnemonic: stringoptionalonlyJs: booleanReturnsboolean