import { NamespaceAdapter } from '../index.mjs';

type KnexQueryBuilder = {
    select: (columns: string[]) => KnexQueryBuilder;
    where: (column: string, value: unknown) => KnexQueryBuilder;
    whereRaw: (raw: string, bindings: unknown[]) => KnexQueryBuilder;
    first: () => Promise<Record<string, unknown> | undefined>;
};
type KnexInstance = {
    (tableName: string): KnexQueryBuilder;
};
/**
 * Create a namespace adapter for Knex
 *
 * @example
 * ```ts
 * import Knex from "knex";
 * import { createNamespaceGuard } from "namespace-guard";
 * import { createKnexAdapter } from "namespace-guard/adapters/knex";
 *
 * const knex = Knex({ client: "pg", connection: process.env.DATABASE_URL });
 *
 * const guard = createNamespaceGuard(
 *   {
 *     reserved: ["admin", "api", "settings"],
 *     sources: [
 *       { name: "users", column: "handle", scopeKey: "id" },
 *       { name: "organizations", column: "slug", scopeKey: "id" },
 *     ],
 *   },
 *   createKnexAdapter(knex)
 * );
 * ```
 */
declare function createKnexAdapter(knex: KnexInstance): NamespaceAdapter;

export { createKnexAdapter };