import type { DatabaseSync } from 'node:sqlite';
import { type CommonGroupCheckpoint, type CommonGroupRow, type CommonGroupStore } from './common-groups.js';
/** Uses the existing private SQLite database and transaction owner. */
export declare class CommonGroupDatabase implements CommonGroupStore {
    private readonly db;
    private readonly transaction;
    constructor(db: DatabaseSync, transaction: (work: () => void) => void);
    private rows;
    get(scope: string, peer: string, uids: string[]): CommonGroupRow[];
    read(scope: string, peer: string, after?: string): {
        items: CommonGroupRow[];
        total: number;
        hasMore: boolean;
        checkpoint: CommonGroupCheckpoint;
    };
    apply(scope: string, peer: string, expected: CommonGroupCheckpoint, changes: {
        items: CommonGroupRow[];
        removed: string[];
        phase: CommonGroupCheckpoint['phase'];
        after: string;
    }): boolean;
}
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