/**
 * Runtime link service backed by Drizzle — executes raw SQL against the
 * dynamically-named pivot tables materialised from {@link LinkDefinition}s.
 */
import type { LinkDefinition, LinkService } from "@voyant-travel/core";
import type { DrizzleClient } from "./types.js";
/**
 * Prevalidate link definitions once, then build services against request-local
 * database clients without repeating startup validation on every request.
 */
export declare function createLinkServiceFactory(definitions: readonly LinkDefinition[]): (getDb: () => DrizzleClient) => LinkService;
/**
 * Create a runtime {@link LinkService} for the given set of link definitions.
 *
 * The service supports both a positional API (`create(linkKey, leftId, rightId)`)
 * and a Medusa-style spec API (`create({ moduleA: { a_id }, moduleB: { b_id } })`).
 *
 * Prefer {@link createLinkServiceFactory} when multiple services share the
 * same definitions, such as one service per HTTP request.
 */
export declare function createLinkService(getDb: () => DrizzleClient, definitions: readonly LinkDefinition[]): LinkService;
/**
 * Materialise every link definition's pivot table (CREATE TABLE + indexes).
 * Intended for use by a `db:sync-links` CLI command in templates.
 *
 * Runs each DDL statement individually against the provided Drizzle client.
 */
export declare function syncLinks(db: DrizzleClient, definitions: readonly LinkDefinition[]): Promise<void>;