[**brk-client**](../README.md)

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[brk-client](../globals.md) / RangeBuilder

# Interface: RangeBuilder\<T\>

Defined in: [Developer/brk/modules/brk-client/index.js:892](https://github.com/bitcoinresearchkit/brk/blob/247d3c758bf072fffa634188454ed826d0eba9f2/modules/brk-client/index.js#L892)

## Type Parameters

### T

`T`

## Properties

### fetch()

> **fetch**: (`onUpdate?`) => `Promise`\<[`MetricData`](MetricData.md)\<`T`\>\>

Defined in: [Developer/brk/modules/brk-client/index.js:893](https://github.com/bitcoinresearchkit/brk/blob/247d3c758bf072fffa634188454ed826d0eba9f2/modules/brk-client/index.js#L893)

Fetch the range

#### Parameters

##### onUpdate?

(`value`) => `void`

#### Returns

`Promise`\<[`MetricData`](MetricData.md)\<`T`\>\>

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### fetchCsv()

> **fetchCsv**: () => `Promise`\<`string`\>

Defined in: [Developer/brk/modules/brk-client/index.js:894](https://github.com/bitcoinresearchkit/brk/blob/247d3c758bf072fffa634188454ed826d0eba9f2/modules/brk-client/index.js#L894)

Fetch as CSV

#### Returns

`Promise`\<`string`\>

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### then

> **then**: [`Thenable`](../type-aliases/Thenable.md)\<`T`\>

Defined in: [Developer/brk/modules/brk-client/index.js:895](https://github.com/bitcoinresearchkit/brk/blob/247d3c758bf072fffa634188454ed826d0eba9f2/modules/brk-client/index.js#L895)

Thenable