import type { DatabaseSync } from "node:sqlite";
import type { Context } from "@/types";
import type { ChannelDbRecord, ChannelMemberDbRecord } from "./databaseTypes.js";
/**
 * Channels repository backed by SQLite with write-through caching.
 * Expects: schema migrations already applied for channels and channel_members.
 */
export declare class ChannelsRepository {
    private readonly db;
    private readonly channelsById;
    private readonly channelIdByName;
    private readonly channelLocks;
    private readonly cacheLock;
    private readonly createLock;
    private allChannelsLoaded;
    constructor(db: DatabaseSync);
    create(record: ChannelDbRecord): Promise<void>;
    findById(id: string): Promise<ChannelDbRecord | null>;
    findByName(name: string): Promise<ChannelDbRecord | null>;
    findMany(ctx: Context): Promise<ChannelDbRecord[]>;
    findAll(): Promise<ChannelDbRecord[]>;
    update(id: string, data: Partial<ChannelDbRecord>): Promise<void>;
    delete(id: string): Promise<boolean>;
    addMember(channelId: string, record: Omit<ChannelMemberDbRecord, "id" | "channelId"> & {
        channelId?: string;
    }): Promise<ChannelMemberDbRecord>;
    removeMember(channelId: string, agentId: string): Promise<boolean>;
    findMembers(channelId: string): Promise<ChannelMemberDbRecord[]>;
    private channelCacheSet;
    private channelLoadById;
    private channelParse;
    private channelLockForId;
}
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