import { T as WideEvent, r as DrainContext } from "../types-B82IuY7M.mjs";
//#region src/adapters/otlp.d.ts
interface OTLPConfig {
  /** OTLP HTTP endpoint (e.g., http://localhost:4318) */
  endpoint: string;
  /** Override service name (defaults to event.service) */
  serviceName?: string;
  /** Additional resource attributes */
  resourceAttributes?: Record<string, string | number | boolean>;
  /** Custom headers (e.g., for authentication) */
  headers?: Record<string, string>;
  /** Request timeout in milliseconds. Default: 5000 */
  timeout?: number;
}
/** OTLP Log Record structure */
interface OTLPLogRecord {
  timeUnixNano: string;
  severityNumber: number;
  severityText: string;
  body: {
    stringValue: string;
  };
  attributes: Array<{
    key: string;
    value: {
      stringValue?: string;
      intValue?: string;
      boolValue?: boolean;
    };
  }>;
  traceId?: string;
  spanId?: string;
}
/**
 * Convert an mxllog WideEvent to an OTLP LogRecord.
 */
declare function toOTLPLogRecord(event: WideEvent): OTLPLogRecord;
/**
 * Create a drain function for sending logs to an OTLP endpoint.
 *
 * Configuration priority (highest to lowest):
 * 1. Overrides passed to createOTLPDrain()
 * 2. runtimeConfig.mxllog.otlp (NUXT_EVLOG_OTLP_*)
 * 3. runtimeConfig.otlp (NUXT_OTLP_*)
 * 4. Environment variables: OTEL_EXPORTER_OTLP_ENDPOINT, OTEL_SERVICE_NAME
 *
 * @example
 * ```ts
 * // Zero config - reads from runtimeConfig or env vars
 * nitroApp.hooks.hook('mxllog:drain', createOTLPDrain())
 *
 * // With overrides
 * nitroApp.hooks.hook('mxllog:drain', createOTLPDrain({
 *   endpoint: 'http://localhost:4318',
 * }))
 * ```
 */
declare function createOTLPDrain(overrides?: Partial<OTLPConfig>): (ctx: DrainContext | DrainContext[]) => Promise<void>;
/**
 * Send a single event to an OTLP endpoint.
 *
 * @example
 * ```ts
 * await sendToOTLP(event, {
 *   endpoint: 'http://localhost:4318',
 * })
 * ```
 */
declare function sendToOTLP(event: WideEvent, config: OTLPConfig): Promise<void>;
/**
 * Send a batch of events to an OTLP endpoint.
 *
 * @example
 * ```ts
 * await sendBatchToOTLP(events, {
 *   endpoint: 'http://localhost:4318',
 * })
 * ```
 */
declare function sendBatchToOTLP(events: WideEvent[], config: OTLPConfig): Promise<void>;
//#endregion
export { OTLPConfig, OTLPLogRecord, createOTLPDrain, sendBatchToOTLP, sendToOTLP, toOTLPLogRecord };
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