How to use the lisk-sdk.transactions.constants function in lisk-sdk

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/* tslint:disable:no-magic-numbers */
import { transactions } from 'lisk-sdk';

const { FIXED_POINT, MAX_TRANSACTION_AMOUNT } = transactions.constants;

export const TRANSACTION_DAPP_TYPE = 5;

export const IN_TRANSFER_FEE = FIXED_POINT * 0.1;
export const OUT_TRANSFER_FEE = FIXED_POINT * 0.1;
export const DAPP_FEE = FIXED_POINT * 25;

export { FIXED_POINT, MAX_TRANSACTION_AMOUNT };