import type { Attributes } from "@opentelemetry/api";
import type { FastifyInstance } from "fastify";
interface StarscreamTracingOptions {
    tracing?: {
        enabled?: boolean;
    };
}
declare module "fastify" {
    interface FastifyRequest {
        [kPropagatedTraceAttributes]: Attributes;
    }
}
declare const kPropagatedTraceAttributes: unique symbol;
export declare const StarscreamTracing: (server: FastifyInstance, options: StarscreamTracingOptions) => Promise<void>;
export {};