import { type CompactionDetails, type CompactionPreparation, type CompactionResult, type CompactionTokenSourceBucket } from "./compaction.js";
export type CompactionMode = "dcp-lite";
export interface DcpLiteCompactionDetails extends CompactionDetails {
    method: "dcp-lite";
    version: 1;
    compactionNumber: number;
    tokensCompacted?: number;
    tokensRemoved?: number;
    summaryTokens?: number;
    reductionPercent?: number;
    largestTokenSources?: CompactionTokenSourceBucket[];
    summarizedMessages: number;
    turnPrefixMessages: number;
    isSplitTurn: boolean;
}
/**
 * Deterministic, local-only compaction for manual DCP-lite mode.
 *
 * This intentionally performs no model, provider, extension, or network calls.
 * It preserves bounded excerpts and counters from CompactionPreparation so the
 * resulting summary is stable and usually much smaller than the discarded span.
 */
export declare function compactDcpLite(preparation: CompactionPreparation): CompactionResult<DcpLiteCompactionDetails>;
//# sourceMappingURL=dcp-lite.d.ts.map