hyperlane-monorepo/solidity/abacus-core/test/lib/index.ts

import '@nomiclabs/hardhat-waffle';
import { extendEnvironment } from 'hardhat/config';

import { abacus } from './core';

// HardhatRuntimeEnvironment
extendEnvironment((hre) => {
  hre.abacus = abacus;
});