import type { DatabaseSync } from "node:sqlite";
import type { Context } from "@/types";
import type { SignalEventDbRecord } from "./databaseTypes.js";
export type SignalEventsFindManyOptions = {
    type?: string;
    limit?: number;
    offset?: number;
};
type SignalEventsQueryOptions = SignalEventsFindManyOptions & {
    userId?: string;
};
/**
 * Signal events repository backed by SQLite with write-through caching.
 * Expects: schema migrations already applied for signals_events.
 */
export declare class SignalEventsRepository {
    private readonly db;
    private readonly eventsById;
    private readonly eventLocks;
    private readonly cacheLock;
    private readonly createLock;
    private allEventsLoaded;
    constructor(db: DatabaseSync);
    create(record: SignalEventDbRecord): Promise<void>;
    findMany(ctx: Context, options?: SignalEventsFindManyOptions): Promise<SignalEventDbRecord[]>;
    findAll(options?: SignalEventsQueryOptions): Promise<SignalEventDbRecord[]>;
    findRecent(ctx: Context, limit?: number): Promise<SignalEventDbRecord[]>;
    findRecentAll(limit?: number): Promise<SignalEventDbRecord[]>;
    findById(id: string): Promise<SignalEventDbRecord | null>;
    private eventCacheSet;
    private eventLoadById;
    private eventParse;
    private eventLockForId;
}
export {};
//# sourceMappingURL=signalEventsRepository.d.ts.map