import type { PipelineTrace } from '../pipeline/types.js';
/** The part of an OpenTelemetry span the exporter uses. */
export interface OpenTelemetryLikeSpan {
    /** Sets an attribute. */
    setAttribute(key: string, value: string | number | boolean): void;
    /** Records an exception. */
    recordException?(error: Error): void;
    /** Sets the span status. */
    setStatus?(status: {
        code: number;
        message?: string;
    }): void;
    /** Ends the span. */
    end(endTime?: Date): void;
}
/** The part of an OpenTelemetry tracer the exporter uses. */
export interface OpenTelemetryLikeTracer {
    /** Starts a span. */
    startSpan(name: string, options?: Record<string, unknown>): OpenTelemetryLikeSpan;
}
/** Exports pipeline traces as OpenTelemetry spans: one for the pipeline and one per step. */
export declare class OpenTelemetryTraceExporter {
    private tracer;
    private spanPrefix;
    constructor(tracer: OpenTelemetryLikeTracer, spanPrefix?: string);
    /** Exports one pipeline trace, with extra attributes on the root span. */
    exportTrace(trace: PipelineTrace, attributes?: Record<string, string | number | boolean>): void;
    private exportStep;
}