import type { DbExec } from "../db/client.js";
export interface AutomationChatSourceBackfillCounts {
    untaggedAutomationThreads: number;
    eligibleThreads: number;
    ambiguousThreads: number;
    unattributedThreads: number;
    updatedThreads: number;
}
export declare function backfillAutomationChatSources(db: DbExec, options?: {
    apply?: boolean;
}): Promise<AutomationChatSourceBackfillCounts>;