import 'graphile-build';
import 'graphile-build-pg';
import 'graphile-connection-filter';
import type { ConnectionFilterOperatorFactory } from 'graphile-connection-filter';
/**
 * Creates the PostGIS spatial filter operator factory.
 *
 * This factory dynamically generates operator registrations based on the
 * PostGIS extension info discovered during the build phase. It discovers
 * all geometry/geography GQL type names and creates ST_ function-based
 * and SQL operator-based filter operators for each.
 *
 * Registered via the declarative `connectionFilterOperatorFactories` API
 * in the GraphilePostgisPreset.
 */
export declare function createPostgisOperatorFactory(): ConnectionFilterOperatorFactory;