/**
 * Datadog Exporter
 * Exports spans to Datadog APM platform
 */
import type { DatadogExporterConfig, ExporterHealthStatus, ExportResult, SpanData } from "../types/index.js";
import { BaseExporter } from "./baseExporter.js";
/**
 * Datadog exporter for enterprise APM integration
 * Supports trace correlation and AI-specific custom metrics
 */
export declare class DatadogExporter extends BaseExporter {
    private readonly apiKey;
    private readonly appKey?;
    private readonly site;
    private readonly service;
    private readonly source;
    private readonly logsEndpoint;
    constructor(config: DatadogExporterConfig);
    initialize(): Promise<void>;
    exportSpan(span: SpanData): Promise<ExportResult>;
    exportBatch(spans: SpanData[]): Promise<ExportResult>;
    flush(): Promise<void>;
    shutdown(): Promise<void>;
    healthCheck(): Promise<ExporterHealthStatus>;
    /**
     * Verify connectivity to Datadog API
     */
    protected ping(): Promise<void>;
    /**
     * Convert span to Datadog log format with trace correlation
     */
    private convertToDatadogLog;
    /**
     * Build Datadog tags from span attributes
     */
    private buildTags;
}
