import { r as DrainContext } from "./types-B82IuY7M.mjs";
import { DrainPipelineOptions, PipelineDrainFn } from "./pipeline.mjs";

//#region src/browser.d.ts
interface BrowserDrainConfig {
  /** URL of the server ingest endpoint */
  endpoint: string;
  /** Custom headers sent with each fetch request (e.g. Authorization, X-API-Key). Not applied to sendBeacon — see `useBeacon`. */
  headers?: Record<string, string>;
  /** Request timeout in milliseconds. @default 5000 */
  timeout?: number;
  /** Use sendBeacon when the page is hidden. @default true */
  useBeacon?: boolean;
}
interface BrowserLogDrainOptions {
  /** Browser drain configuration (endpoint is required) */
  drain: BrowserDrainConfig;
  /** Pipeline configuration overrides */
  pipeline?: DrainPipelineOptions<DrainContext>;
  /** Auto-register visibilitychange flush listener. @default true */
  autoFlush?: boolean;
}
/**
 * Create a low-level browser drain transport function.
 *
 * Returns a function compatible with `createDrainPipeline` that sends batches
 * to the configured endpoint via `fetch` (with `keepalive: true`) or
 * `navigator.sendBeacon` when the page is hidden.
 *
 * @example
 * ```ts
 * import { createBrowserDrain } from '@safaricom-mxl/log/browser'
 * import { createDrainPipeline } from '@safaricom-mxl/log/pipeline'
 *
 * const pipeline = createDrainPipeline({ batch: { size: 50 } })
 * const drain = pipeline(createBrowserDrain({ endpoint: '/api/logs' }))
 * ```
 */
declare function createBrowserDrain(config: BrowserDrainConfig): (batch: DrainContext[]) => Promise<void>;
/**
 * Create a pre-composed browser log drain with pipeline, batching, and auto-flush.
 *
 * Returns a `PipelineDrainFn<DrainContext>` directly usable with `initLogger({ drain })`.
 *
 * @example
 * ```ts
 * import { initLogger, log } from '@safaricom-mxl/log'
 * import { createBrowserLogDrain } from '@safaricom-mxl/log/browser'
 *
 * const drain = createBrowserLogDrain({
 *   drain: { endpoint: '/api/logs' },
 * })
 * initLogger({ drain })
 *
 * log.info({ action: 'page_view', path: location.pathname })
 * ```
 */
declare function createBrowserLogDrain(options: BrowserLogDrainOptions): PipelineDrainFn<DrainContext> & {
  dispose: () => void;
};
//#endregion
export { BrowserDrainConfig, BrowserLogDrainOptions, createBrowserDrain, createBrowserLogDrain };
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