---
url: >-
  https://adk.nht.io/api/@nhtio/adk/batteries/context/compact/summarizer/interfaces/AssembleCompactedTurnsResult.md
description: >-
  [`assembleCompactedTurns`](https://adk.nht.io/api/@nhtio/adk/batteries/context/compact/summarizer/functions/assembleCompactedTurns)'s return value: the compacted turns PLUS the
  rolling state a caller must persist and pass back in as `options.priorState`
  on the next call (this battery is stateless between calls by design — no
  private fields, no `globalThis`).
---

# Interface: AssembleCompactedTurnsResult\<M, TC>

Defined in: [src/batteries/context/compact/summarizer.ts:215](https://github.com/NHTIO/ADK/blob/v1.20260713.1/src/src/batteries/context/compact/summarizer.ts#L215)

[assembleCompactedTurns](../functions/assembleCompactedTurns.md)'s return value: the compacted turns PLUS the rolling state a caller
must persist and pass back in as `options.priorState` on the next call (this battery is stateless
between calls by design — no private fields, no `globalThis`).

## Type Parameters

| Type Parameter                                                                                  | Default type                                                                     |
| ----------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------- |
| `M` *extends* [`RelevanceMessage`](../../../thrift/relevance/interfaces/RelevanceMessage.md)    | [`RelevanceMessage`](../../../thrift/relevance/interfaces/RelevanceMessage.md)   |
| `TC` *extends* [`RelevanceToolCall`](../../../thrift/relevance/interfaces/RelevanceToolCall.md) | [`RelevanceToolCall`](../../../thrift/relevance/interfaces/RelevanceToolCall.md) |

## Properties

| Property                                          | Type                                                                                | Description                                                                                                                                                                           | Defined in                                                                                                                                              |
| ------------------------------------------------- | ----------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------- |
|  `coveredOlder` | `number`                                                                            | How many older-region turns `summary` covers — persist and pass back in as `priorState.coveredOlder` next call.                                                                       | [src/batteries/context/compact/summarizer.ts:227](https://github.com/NHTIO/ADK/blob/v1.20260713.1/src/src/batteries/context/compact/summarizer.ts#L227) |
|  `summary`           | `string` | `null`                                                                  | The rolling summary text after this call (unchanged from `priorState.summary` when the threshold didn't fire this call) — persist and pass back in as `priorState.summary` next call. | [src/batteries/context/compact/summarizer.ts:224](https://github.com/NHTIO/ADK/blob/v1.20260713.1/src/src/batteries/context/compact/summarizer.ts#L224) |
|  `turns`               | [`HistoryTurn`](../../../thrift/relevance/interfaces/HistoryTurn.md)<`M`, `TC`>\[] | `[syntheticSummaryTurn, ...verbatimRecentTurns]` when older turns exist and have been summarized at least once; otherwise just the verbatim turns unchanged (nothing to compact yet). | [src/batteries/context/compact/summarizer.ts:221](https://github.com/NHTIO/ADK/blob/v1.20260713.1/src/src/batteries/context/compact/summarizer.ts#L221) |