import type { MeterProvider } from '@opentelemetry/api';
import type { HeadersFactory } from './otlp-http-configuration';
export interface OTLPExporterConfigBase {
    /**
     * Custom headers that will be attached to the HTTP request that's sent to the endpoint.
     *
     * @remarks
     * Prefer using a plain object over a factory function wherever possible.
     * A factory function may be async and MUST NOT throw errors.
     * It should return a string map containing the headers to add to the request.
     *
     * @example <caption> Using headers options directly: </caption>
     * headers: {
     *  Authorization: "Api-Token my-secret-token",
     * }
     *
     * @example <caption> Using a custom factory function </caption>
     * headers: async () => {
     *   return {
     *     Authorization: `Bearer ${token}`,
     *   };
     * };
     */
    headers?: Record<string, string> | HeadersFactory;
    /**
     * Collector endpoint URL for the exporter.
     *
     * @remarks
     * Defaults to the signal-specific endpoint, such as
     * `http://localhost:4318/v1/traces`, `http://localhost:4318/v1/metrics`,
     * or `http://localhost:4318/v1/logs`.
     */
    url?: string;
    /**
     * Maximum number of in-flight export requests.
     *
     * @defaultValue 30
     */
    concurrencyLimit?: number;
    /**
     * Maximum time, in milliseconds, the OTLP exporter will wait for each batch export.
     *
     * @defaultValue 10000
     */
    timeoutMillis?: number;
    /**
     * MeterProvider to record metrics for the exporter itself.
     * @experimental This option is experimental and is subject to breaking changes in minor releases.
     */
    selfObsMeterProvider?: MeterProvider;
}
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