import type { ObservationRecord, TraceRecord } from '@cicctencent/agent-core';
export interface ExporterConfig {
    enabled: boolean;
    endpoint: string;
    publicKey?: string;
    secretKey?: string;
    headers?: Record<string, string>;
    exportIntervalMs?: number;
    maxBatchSize?: number;
}
export interface ObservabilityExporter {
    name: string;
    config: ExporterConfig;
    enqueueTrace(trace: TraceRecord): void;
    enqueueObservation(observation: ObservationRecord): void;
    flush(): Promise<void>;
    start(): void;
    stop(): void;
}
export declare class OtlpExporter implements ObservabilityExporter {
    readonly name = "otlp";
    config: ExporterConfig;
    private timer?;
    private pending;
    private traceObservationMap;
    private readonly maxQueueSize;
    constructor(config: ExporterConfig);
    enqueueTrace(trace: TraceRecord): void;
    enqueueObservation(observation: ObservationRecord): void;
    start(): void;
    stop(): void;
    flush(): Promise<void>;
    private sendOtlp;
    private traceToOtlpSpan;
    private observationToOtlpSpan;
    private toOtlpAttributes;
    private deriveSpanId;
    private httpPost;
}
export declare class ObservabilityExporterManager {
    private exporters;
    addExporter(exporter: ObservabilityExporter): void;
    removeExporter(name: string): void;
    getExporters(): ObservabilityExporter[];
    getExporter(name: string): ObservabilityExporter | undefined;
    enqueueTrace(trace: TraceRecord): void;
    enqueueObservation(observation: ObservationRecord): void;
    flushAll(): Promise<void>;
    stopAll(): void;
}
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