import { type ArkmeCommonGroupPage, type CommonGroupRow } from '../common-groups.js';
import { type ServiceRuntime } from './service.js';
import type { SourceService } from './source-service.js';
export declare function commonGroupChanges(value: unknown, known: string[], after: string): {
    items: CommonGroupRow[];
    removed: string[];
    next: string;
    hasMore: boolean;
};
/** One business owner; SQLite details live behind CommonGroupStore. */
export declare class CommonGroupService {
    private readonly runtime;
    private readonly source;
    private readonly reads;
    constructor(runtime: ServiceRuntime, source: SourceService);
    dispose(): void;
    private context;
    list(sourceRef: string, options?: {
        cursor?: string;
        signal?: AbortSignal;
    }): Promise<ArkmeCommonGroupPage>;
    /** One bounded reconciliation batch. Completion starts a fresh round on the next
     * explicit sync. No pairwise collection or group-write fanout is required. */
    sync(sourceRef: string, signal?: AbortSignal): Promise<ArkmeCommonGroupPage>;
}
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