import { type ChatMessage, type ToolCall, type ToolResult } from "../types.js";
import { type ImageBudget } from "../attachments/image-content.js";
import type { TranscriptItem } from "../app/ports/transcript-item.js";
import type { PreviousTurnSignal } from "../agent/continue-orient.js";
import { HistoryRecord, PersistedContextUsage, compareHistoryFreshness, dedupeHistoryById, sortHistoryByUpdatedDesc } from "./history/recovery.js";
import { SessionModelSelection } from "./history/sqlite-backend.js";
import { getSession } from "./history/session-queries.js";
export { clearAllHistory, deleteSession, purgeSession } from "./history/lifecycle.js";
export { listSessionSummaries, listSessions } from "./history/session-queries.js";
export { getSession };
export { partitionByRetention } from "./history/jsonl-backend.js";
export type { SessionModelSelection } from "./history/sqlite-backend.js";
export { recoverOrphanedHistory } from "./history/recovery.js";
export { compareHistoryFreshness, dedupeHistoryById, sortHistoryByUpdatedDesc };
export type { HistoryRecord, PersistedContextUsage } from "./history/recovery.js";
export type { HistorySummary } from "./history-index.js";
export interface ToolCallRecord {
    id: string;
    sessionId: string;
    createdAt: string;
    name: string;
    args: Record<string, unknown>;
    ok: boolean;
    exitCode?: number | undefined;
    output: string;
}
export declare function materializeHistoryImages(messages: readonly ChatMessage[], budget?: ImageBudget): ChatMessage[];
export declare function saveSession(messages: ChatMessage[], name?: string | undefined, transcript?: TranscriptItem[] | undefined, contextUsage?: PersistedContextUsage | undefined, revision?: number | undefined, writerGeneration?: string | undefined, previousTurn?: PreviousTurnSignal | null | undefined, sessionModel?: SessionModelSelection | undefined): Promise<HistoryRecord>;
export declare function upsertSession(id: string, messages: ChatMessage[], name?: string | undefined, transcript?: TranscriptItem[] | undefined, contextUsage?: PersistedContextUsage | undefined, revision?: number | undefined, writerGeneration?: string | undefined, previousTurn?: PreviousTurnSignal | null | undefined, sessionModel?: SessionModelSelection | undefined): Promise<HistoryRecord>;
export declare function saveToolCall(sessionId: string, call: ToolCall, result: ToolResult): Promise<ToolCallRecord>;
export declare function getHistoryPath(): string;
export declare function getJsonlHistoryPath(): string;
export declare function getHistoryArchivePath(): string;
export declare function getHistoryBackupDir(): string;