How to use the @0x/contract-wrappers.ERC20TokenEvents.Transfer function in @0x/contract-wrappers

} else {
                    // ERC721
                    // Invalidate cache
                    const args = decodedLog.args as ERC721TokenApprovalEventArgs;
                    const tokenAssetData = assetDataUtils.encodeERC721AssetData(decodedLog.address, args._tokenId);
                    this._deleteLazyStoreProxyAllowance(tokenAssetData, args._owner);
                    // Revalidate orders
                    const orderHashes = this._dependentOrderHashesTracker.getDependentOrderHashesByAssetDataByMaker(
                        args._owner,
                        tokenAssetData,
                    );
                    await this._emitRevalidateOrdersAsync(orderHashes, transactionHash);
                    break;
                }
            }
            case ERC20TokenEvents.Transfer:
            case ERC721TokenEvents.Transfer: {
                // ERC20 and ERC721 Transfer events have the same name so we need to distinguish them by args
                if (decodedLog.args._value !== undefined) {
                    // ERC20
                    // Invalidate cache
                    const args = decodedLog.args as ERC20TokenTransferEventArgs;
                    const tokenAssetData = assetDataUtils.encodeERC20AssetData(decodedLog.address);
                    this._deleteLazyStoreBalance(tokenAssetData, args._from);
                    this._deleteLazyStoreBalance(tokenAssetData, args._to);
                    // Revalidate orders
                    const orderHashes = this._dependentOrderHashesTracker.getDependentOrderHashesByAssetDataByMaker(
                        args._from,
                        tokenAssetData,
                    );
                    await this._emitRevalidateOrdersAsync(orderHashes, transactionHash);
                    break;