import 'graphile-build';
import 'graphile-build-pg';
import type { PgCodec } from '@dataplan/pg';
import type { GraphileConfig } from 'graphile-config';
export interface LtreeExtensionInfo {
    ltreeCodec: PgCodec;
    lqueryCodec: PgCodec | null;
}
/**
 * LtreeExtensionDetectionPlugin
 *
 * Detects ltree presence in the database by searching for ltree/lquery
 * codecs in the pgRegistry. Stores detected info on the build object
 * for downstream plugins.
 *
 * Gracefully degrades if ltree is not installed.
 */
export declare const LtreeExtensionDetectionPlugin: GraphileConfig.Plugin;