import { QueueName, TQueueJobTypes } from "../queues";
import { Queue } from "bullmq";
export declare class TraceUpsertQueue {
    private static instances;
    static getShardNames(): string[];
    static getShardIndexFromShardName(shardName: string | undefined): number | null;
    /**
     * Get the trace upsert queue instance for the given sharding key or shard name.
     * @param shardingKey - ShardingKey is being hashed and randomly allocated to a shard. Should be `projectId-traceId`.
     * @param shardName - Name of the shard. Should be `trace-upsert-queue-${shardIndex}` or plainly `trace-upsert-queue` for the first shard.
     */
    static getInstance({ shardingKey, shardName, }?: {
        shardingKey?: string;
        shardName?: string;
    }): Queue<TQueueJobTypes[QueueName.TraceUpsert]> | null;
}
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