[**brk-client**](../README.md) *** [brk-client](../globals.md) / SeriesTree\_Indexes\_Halving # Interface: SeriesTree\_Indexes\_Halving Defined in: [Developer/brk/modules/brk-client/index.js:6095](https://github.com/bitcoinresearchkit/brk/blob/0b871e86004ed9dd0c54dd9336049531d6fe4d23/modules/brk-client/index.js#L6095) ## Properties ### firstHeight > **firstHeight**: [`SeriesPattern16`](../type-aliases/SeriesPattern16.md)\<`number`\> Defined in: [Developer/brk/modules/brk-client/index.js:6096](https://github.com/bitcoinresearchkit/brk/blob/0b871e86004ed9dd0c54dd9336049531d6fe4d23/modules/brk-client/index.js#L6096)