Reference: `sushi/evm` DEX

The DEX module contains small domain enums and DEX math errors.

Export	Purpose
`Fee`	Fee enum used by DEX logic.
`PoolType`	Pool type enum.
`TradeType`	Exact input/exact output trade type.
`InsufficientReservesError`	Error for insufficient reserves.
`InsufficientInputAmountError`	Error for insufficient input amount.

import { InsufficientInputAmountError } from 'sushi/evm'
 
const error = new InsufficientInputAmountError()
 
if (error instanceof InsufficientInputAmountError) {
  console.log('Input amount is too small')
}