import type { BehaviorDashboardStats, DashboardStats, MessageStats, RequestDetails } from "./types";
/**
 * Progress event emitted after each session file is fully processed.
 * `current` is the number of files completed (skipped + parsed),
 * `total` is the size of the work set. `processed` is the running total
 * of inserted rows.
 */
export interface SyncProgress {
    current: number;
    total: number;
    processed: number;
    sessionFile: string;
}
export interface SyncOptions {
    /** Called after each file completes. Synchronous; keep it cheap. */
    onProgress?: (event: SyncProgress) => void;
    /**
     * Worker pool size. Defaults to a sensible value derived from the host
     * (capped to avoid drowning a small machine in workers). Set to `1` to
     * force serial parsing without spawning workers.
     */
    workers?: number;
}
/**
 * Smoke test: spawns one sync worker, pings it, asserts the pong response,
 * then terminates. Used by `omp --smoke-test` so the install-method CI jobs
 * catch the silent worker-load failure that hit compiled binaries in #1011
 * and #1027 — neither `--version` nor `stats --summary` exercises the worker
 * spawn path on a fresh install (no session files = early return), so a
 * dedicated probe is the only reliable signal.
 *
 * Resolves with the worker's `import.meta.url` (caller-visible diagnostics);
 * rejects on transport error, error response, or timeout.
 */
export declare function smokeTestSyncWorker({ timeoutMs }?: {
    timeoutMs?: number;
}): Promise<void>;
/**
 * Sync all session files to the database.
 *
 * Parsing fans out across a worker pool (one in-flight job per worker)
 * while DB writes and offset bookkeeping stay on the calling thread so the
 * single SQLite handle stays uncontended. `onProgress` fires once per
 * completed file (skipped files included so the bar walks at a steady
 * rate).
 */
export declare function syncAllSessions(opts?: SyncOptions): Promise<{
    processed: number;
    files: number;
}>;
/**
 * Get all dashboard stats.
 */
export declare function getDashboardStats(range?: string | null): Promise<DashboardStats>;
export declare function getOverviewStats(range?: string | null): Promise<Pick<DashboardStats, "overall" | "timeSeries">>;
export declare function getModelDashboardStats(range?: string | null): Promise<Pick<DashboardStats, "byModel" | "modelSeries" | "modelPerformanceSeries">>;
export declare function getCostDashboardStats(range?: string | null): Promise<Pick<DashboardStats, "costSeries">>;
export declare function getRecentRequests(limit?: number): Promise<MessageStats[]>;
export declare function getRecentErrors(limit?: number): Promise<MessageStats[]>;
export declare function getRequestDetails(id: number): Promise<RequestDetails | null>;
/**
 * Get the current message count in the database.
 */
export declare function getTotalMessageCount(): Promise<number>;
export declare function getBehaviorDashboardStats(range?: string | null): Promise<BehaviorDashboardStats>;