import type { GetConnectionOpts, GetConnectionResult } from 'pgsql-test';
import type { GraphQLTestContext, GetConnectionsInput } from './types';
/**
 * Creates a GraphQL test context using PostGraphile v5 preset-based API.
 *
 * @param input - Configuration including schemas and optional preset
 * @param conn - Database connection result from pgsql-test
 * @returns GraphQL test context with setup, teardown, and query functions
 */
export declare const GraphQLTest: (input: GetConnectionsInput & GetConnectionOpts, conn: GetConnectionResult) => GraphQLTestContext;