/**
 * Database export orchestrator.
 *
 * Plugin-side counterpart to docs/v0.2-database-backup-design.md. The
 * exporter pulls data via the source plugin's HTTP route on the SignalK
 * server itself — no container exec or shared filesystems involved.
 *
 * Supports QuestDB and Grafana. InfluxDB is intentionally out of scope
 * (see design doc).
 */
import type { ExportResult } from './types.js';
export interface ExportOrchestratorOptions {
    /** Host-visible path to the SignalK config root. */
    signalkConfigRoot: string;
    /** SignalK server base URL (loopback) — used to talk to source plugins. */
    signalkBaseUrl: string;
    /** Optional debug logger. */
    log?: (msg: string) => void;
    warn?: (msg: string) => void;
    enabled?: {
        questdb?: boolean;
        grafana?: boolean;
        signalkDatabase?: boolean;
    };
}
/**
 * Run every supported exporter whose `detect()` returns true. Each
 * exporter writes its parquet files under
 *   <configRoot>/plugin-config-data/signalk-backup/database-exports/<pluginId>/
 * which is the staging area kopia will pick up on the next snapshot.
 *
 * Errors in one exporter are logged but don't abort the rest — partial
 * coverage is preferable to none. The returned array contains one
 * ExportResult per exporter that ran (regardless of success).
 */
export declare function runAllExports(opts: ExportOrchestratorOptions): Promise<ExportResult[]>;
export type { DatabaseExporter, ExportResult, TableExport } from './types.js';
export { GrafanaExporter } from './grafana.js';
export { QuestDBExporter } from './questdb.js';
export { SignalKDatabaseExporter } from './signalk-database.js';
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