import 'graphile-build-pg';
import type { GraphileConfig } from 'graphile-config';
/**
 * PostgisCodecPlugin
 *
 * Teaches PostGraphile v5 how to handle PostgreSQL's geometry and geography types.
 *
 * This plugin:
 * 1. Creates codecs for geometry/geography via gather.hooks.pgCodecs_findPgCodec
 * 2. The registered codecs use castFromPg to wrap geometry values in
 *    json_build_object() with __gisType, __srid, __geojson metadata
 * 3. fromPg normalizes the geometry type names for resolveType lookups
 *
 * Without castFromPg, PostGraphile defaults to `column::text` which returns
 * WKB hex — unusable for GraphQL. The json_build_object wrapper provides
 * structured metadata that downstream plugins use for type resolution and
 * field values (x/y coordinates, GeoJSON, SRID, etc.).
 */
export declare const PostgisCodecPlugin: GraphileConfig.Plugin;