# Other Exports

## JSBI

```typescript
import { JSBI } from '@uniswap/sdk'
// import JSBI from 'jsbi'
```

The default export from [jsbi](https://github.com/GoogleChromeLabs/jsbi).

## BigintIsh

```typescript
import { BigintIsh } from '@uniswap/sdk'
// type BigintIsh = JSBI | bigint | string
```

A union type comprised of all types that can be cast to a JSBI instance.

## ChainId

```typescript
import { ChainId } from '@uniswap/sdk'
// enum ChainId {
//   MAINNET = 1,
//   ROPSTEN = 3,
//   RINKEBY = 4,
//   GÖRLI = 5,
//   KOVAN = 42
// }
```

A enum denominating supported chain IDs.

## TradeType

```typescript
import { TradeType } from '@uniswap/sdk'
// enum TradeType {
//   EXACT_INPUT,
//   EXACT_OUTPUT
// }
```

A enum denominating supported trade types.

## Rounding

```typescript
import { Rounding } from '@uniswap/sdk'
// enum Rounding {
//   ROUND_DOWN,
//   ROUND_HALF_UP,
//   ROUND_UP
// }
```

A enum denominating supported rounding options.

## FACTORY\_ADDRESS

```typescript
import { FACTORY_ADDRESS } from '@uniswap/sdk'
```

The factory address.

## INIT\_CODE\_HASH

```typescript
import { INIT_CODE_HASH } from '@uniswap/sdk'
```

See Pair Addresses.

## MINIMUM\_LIQUIDITY

```typescript
import { MINIMUM_LIQUIDITY } from '@uniswap/sdk'
```

See Minimum Liquidity.

## InsufficientReservesError

```typescript
import { InsufficientReservesError } from '@uniswap/sdk'
```

## InsufficientInputAmountError

```typescript
import { InsufficientInputAmountError } from '@uniswap/sdk'
```

## WETH

```typescript
import { WETH } from '@uniswap/sdk'
```

An object whose values are WETH Token instances, indexed by [ChainId](broken://pages/cJ6SqfbzDOQAiVJdED6F).


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