import type { AcpTrace } from "./trace.js";
type OtelAttributeValue = string | number | boolean;
export interface OtelSpanLike {
    setAttribute(key: string, value: OtelAttributeValue): void;
    setAttributes(attrs: Record<string, OtelAttributeValue>): void;
    end(endTime?: number): void;
}
export interface OtelTracerLike {
    startSpan(name: string, options?: {
        startTime?: number;
    }, parent?: OtelSpanLike): OtelSpanLike;
}
export declare function emitToOtel(trace: AcpTrace, tracer: OtelTracerLike): void;
export {};