[**brk-client**](../README.md) *** [brk-client](../globals.md) / SeriesDataBase # Interface: SeriesDataBase\ Defined in: [Developer/brk/modules/brk-client/index.js:1325](https://github.com/bitcoinresearchkit/brk/blob/8bc993ecebee68170d873d232b25f3b1f2d71378/modules/brk-client/index.js#L1325) ## Type Parameters ### T `T` ## Properties ### data > **data**: `T`[] Defined in: [Developer/brk/modules/brk-client/index.js:1333](https://github.com/bitcoinresearchkit/brk/blob/8bc993ecebee68170d873d232b25f3b1f2d71378/modules/brk-client/index.js#L1333) The series data *** ### end > **end**: `number` Defined in: [Developer/brk/modules/brk-client/index.js:1331](https://github.com/bitcoinresearchkit/brk/blob/8bc993ecebee68170d873d232b25f3b1f2d71378/modules/brk-client/index.js#L1331) End index (exclusive) *** ### entries > **entries**: () => \[`number`, `T`\][] Defined in: [Developer/brk/modules/brk-client/index.js:1337](https://github.com/bitcoinresearchkit/brk/blob/8bc993ecebee68170d873d232b25f3b1f2d71378/modules/brk-client/index.js#L1337) Get [index, value] pairs #### Returns \[`number`, `T`\][] *** ### index > **index**: [`Index`](../type-aliases/Index.md) Defined in: [Developer/brk/modules/brk-client/index.js:1327](https://github.com/bitcoinresearchkit/brk/blob/8bc993ecebee68170d873d232b25f3b1f2d71378/modules/brk-client/index.js#L1327) The index type used for this query *** ### indexes > **indexes**: () => `number`[] Defined in: [Developer/brk/modules/brk-client/index.js:1335](https://github.com/bitcoinresearchkit/brk/blob/8bc993ecebee68170d873d232b25f3b1f2d71378/modules/brk-client/index.js#L1335) Get index numbers #### Returns `number`[] *** ### isDateBased > **isDateBased**: `boolean` Defined in: [Developer/brk/modules/brk-client/index.js:1334](https://github.com/bitcoinresearchkit/brk/blob/8bc993ecebee68170d873d232b25f3b1f2d71378/modules/brk-client/index.js#L1334) Whether this series uses a date-based index *** ### keys > **keys**: () => `number`[] Defined in: [Developer/brk/modules/brk-client/index.js:1336](https://github.com/bitcoinresearchkit/brk/blob/8bc993ecebee68170d873d232b25f3b1f2d71378/modules/brk-client/index.js#L1336) Get keys as index numbers (alias for indexes) #### Returns `number`[] *** ### stamp > **stamp**: `string` Defined in: [Developer/brk/modules/brk-client/index.js:1332](https://github.com/bitcoinresearchkit/brk/blob/8bc993ecebee68170d873d232b25f3b1f2d71378/modules/brk-client/index.js#L1332) ISO 8601 timestamp of when the response was generated *** ### start > **start**: `number` Defined in: [Developer/brk/modules/brk-client/index.js:1330](https://github.com/bitcoinresearchkit/brk/blob/8bc993ecebee68170d873d232b25f3b1f2d71378/modules/brk-client/index.js#L1330) Start index (inclusive) *** ### toMap > **toMap**: () => `Map`\<`number`, `T`\> Defined in: [Developer/brk/modules/brk-client/index.js:1338](https://github.com/bitcoinresearchkit/brk/blob/8bc993ecebee68170d873d232b25f3b1f2d71378/modules/brk-client/index.js#L1338) Convert to Map #### Returns `Map`\<`number`, `T`\> *** ### total > **total**: `number` Defined in: [Developer/brk/modules/brk-client/index.js:1329](https://github.com/bitcoinresearchkit/brk/blob/8bc993ecebee68170d873d232b25f3b1f2d71378/modules/brk-client/index.js#L1329) Total number of data points *** ### type > **type**: `string` Defined in: [Developer/brk/modules/brk-client/index.js:1328](https://github.com/bitcoinresearchkit/brk/blob/8bc993ecebee68170d873d232b25f3b1f2d71378/modules/brk-client/index.js#L1328) Value type (e.g. "f32", "u64", "Sats") *** ### version > **version**: `number` Defined in: [Developer/brk/modules/brk-client/index.js:1326](https://github.com/bitcoinresearchkit/brk/blob/8bc993ecebee68170d873d232b25f3b1f2d71378/modules/brk-client/index.js#L1326) Version of the series data