import { type RawBuilder } from "kysely";
/**
 * Helper function to create JSONB values for PostgreSQL
 * Follows Kysely best practices: https://kysely.dev/docs/recipes/extending-kysely#expression
 *
 * @example
 * db.insertInto("audios").values({
 *   metadata: json({ model: "whisper", transcription_start_time: new Date().toISOString() })
 * })
 */
export declare function json<T>(value: T): RawBuilder<T>;
/**
 * Helper function to cast string values to UUID for PostgreSQL
 *
 * @example
 * db.selectFrom("audios").where("id", "=", uuid(audioId))
 */
export declare function uuid(value: string): RawBuilder<string>;
/**
 * Helper function to cast string values to TEXT for PostgreSQL
 * Useful when PostgreSQL can't infer the parameter type
 *
 * @example
 * db.updateTable("notes").set({
 *   content: sql`CONCAT(content, E'\n', ${text(appendContent)})`
 * })
 */
export declare function text(value: string): RawBuilder<string>;