# Interface: Round

Defined in: [packages/core/src/sync/negentropy.ts:225](https://github.com/leifriksheim/minca/blob/main/core/src/sync/negentropy.ts#L225)

## Properties

| Property | Modifier | Type | Description | Defined in |
| ------ | ------ | ------ | ------ | ------ |
| <a id="property-have"></a> `have` | `readonly` | readonly `Uint8Array`\<`ArrayBufferLike`\>[] | Ids this side holds and the other lacks (initiator only) | [packages/core/src/sync/negentropy.ts:229](https://github.com/leifriksheim/minca/blob/main/core/src/sync/negentropy.ts#L229) |
| <a id="property-message"></a> `message` | `readonly` | `Uint8Array`\<`ArrayBufferLike`\> \| `null` | What to send next; null when the initiator is done | [packages/core/src/sync/negentropy.ts:227](https://github.com/leifriksheim/minca/blob/main/core/src/sync/negentropy.ts#L227) |
| <a id="property-need"></a> `need` | `readonly` | readonly `Uint8Array`\<`ArrayBufferLike`\>[] | Ids the other side holds and this one lacks (initiator only) | [packages/core/src/sync/negentropy.ts:231](https://github.com/leifriksheim/minca/blob/main/core/src/sync/negentropy.ts#L231) |