How to use the @0x/contracts-erc20.WETH9Contract.deployFrom0xArtifactAsync function in @0x/contracts-erc20

);

    // ZRX
    const zrxToken = await DummyERC20TokenContract.deployFrom0xArtifactAsync(
        artifacts.DummyERC20Token,
        provider,
        txDefaults,
        artifacts,
        '0x Protocol Token',
        'ZRX',
        new BigNumber(18),
        new BigNumber(1000000000000000000000000000),
    );

    // Ether token
    const etherToken = await WETH9Contract.deployFrom0xArtifactAsync(artifacts.WETH9, provider, txDefaults, artifacts);

    // Exchange
    const exchange = await ExchangeContract.deployFrom0xArtifactAsync(
        artifacts.Exchange,
        provider,
        txDefaults,
        artifacts,
        chainId,
    );

    // Dummy ERC20 tokens
    for (const token of erc20TokenInfo) {
        const totalSupply = new BigNumber(1000000000000000000000000000);
        // tslint:disable-next-line:no-unused-variable
        const dummyErc20Token = await DummyERC20TokenContract.deployFrom0xArtifactAsync(
            artifacts.DummyERC20Token,

const erc721 = await ERC721TokenContract.deployFrom0xArtifactAsync(
            ERC721Artifacts.ERC721Token,
            environment.provider,
            txDefaults,
            ERC721Artifacts,
        );

        const erc1155 = await ERC1155Contract.deployFrom0xArtifactAsync(
            ERC1155Artifacts.ERC1155,
            environment.provider,
            txDefaults,
            ERC1155Artifacts,
        );

        const weth = await WETH9Contract.deployFrom0xArtifactAsync(
            ERC20Artifacts.WETH9,
            environment.provider,
            txDefaults,
            ERC20Artifacts,
        );

        const zrx = await ZRXTokenContract.deployFrom0xArtifactAsync(
            ERC20Artifacts.ZRXToken,
            environment.provider,
            txDefaults,
            ERC20Artifacts,
        );

        return {
            erc1155,
            erc20,