import type { ProviderId, ReasoningPreference } from "../../types.js";
import type { HistorySummary } from "../history-index.js";
import { HistoryRecord } from "./recovery.js";
export declare function archiveFilePath(): string;
export interface SessionModelSelection {
    readonly provider?: ProviderId | undefined;
    readonly model?: string | undefined;
    readonly thinking?: ReasoningPreference | undefined;
}
export declare function sessionModelFields(selection?: SessionModelSelection | undefined, fallback?: SessionModelSelection | undefined): SessionModelSelection;
interface Statement {
    run(...params: unknown[]): unknown;
    get(...params: unknown[]): unknown;
    all(...params: unknown[]): unknown[];
}
interface DatabaseLike {
    exec(sql: string): void;
    prepare(sql: string): Statement;
}
export declare function loadDatabase(): Promise<DatabaseLike | undefined>;
export declare function appendRecordsToFile(path: string, records: readonly HistoryRecord[]): Promise<void>;
export declare function upsertSqlite(db: DatabaseLike, record: HistoryRecord): void;
export declare function enforceSqliteRetention(db: DatabaseLike): Promise<void>;
export declare function rowToSession(row: unknown): HistoryRecord;
export declare function rowToSummary(row: unknown): HistorySummary;
export {};