import type { CompressionState, CoreMessage } from "./types.js";
export interface CompressInputEntry {
    startId?: string;
    endId?: string;
    messageId?: string;
    summary: string;
    topic?: string;
}
export interface RebuildResult {
    state: CompressionState;
    blocksRebuilt: number;
}
export interface RebuildPorts {
    countTokens?: (text: string) => number;
}
/**
 * Fork-recovery: reconstruct compression state by replaying historical
 * `compress` tool-call messages. Message refs (mNNNNN) are assigned by
 * message order, so they are fork-stable — a ref in a historical compress
 * input points to the same logical message after a fork regenerates IDs.
 * The rebuilt state is an approximation: only raw model summaries are
 * replayed (no protected-content enrichments).
 */
export declare function rebuildCompressionState(state: CompressionState, messages: CoreMessage[], config: import("./types.js").Config, ports?: RebuildPorts): RebuildResult;
//# sourceMappingURL=rebuild.d.ts.map