export type JobReason = "watcher" | "manual" | "periodic";
export interface IndexJob {
    filePath: string;
    account: string;
    reason: JobReason;
}
export declare class IndexQueue {
    private process;
    private pending;
    private running;
    private idleResolvers;
    constructor(process: (job: IndexJob) => Promise<void>);
    enqueue(job: IndexJob): void;
    onIdle(): Promise<void>;
    get size(): number;
    private drain;
}
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