import { type ExecutionContext } from "@nestjs/common";
export declare const currentSpanParamFactory: (_data: unknown, _ctx: ExecutionContext) => import("@opentelemetry/api").Span | undefined;
/**
 * Decorator to retrieve the current OpenTelemetry Span from the active context.
 *
 * @returns The current Span or undefined if no span is active.
 */
export declare const CurrentSpan: (...dataOrPipes: unknown[]) => ParameterDecorator;