import type { LibSQLDatabase } from 'drizzle-orm/libsql';
import type { PgDatabase, PgQueryResultHKT, PgTable } from 'drizzle-orm/pg-core';
import type { DatabaseAdapter, DatabaseConnection, DatabaseConnectionResult } from './database/adapter.js';
import type { Dialect } from './dialect.js';
export type Driver = 'libsql' | 'pglite' | 'bun-sql' | 'postgres-js';
/** Per-dialect public db type, computed from the schema's table brands. */
export type DbFor<TSchema extends Record<string, unknown>> = [
    Extract<TSchema[keyof TSchema], PgTable>
] extends [never] ? LibSQLDatabase<TSchema> : PgDatabase<PgQueryResultHKT, TSchema>;
/** The database an application receives on `context.db` and `app.db`. */
export type BunderstackDb<TSchema extends Record<string, unknown>> = DbFor<TSchema>;
/**
 * The transaction handle inside `db.transaction(...)`. Drizzle publishes no
 * single transaction type for both dialects, so this reads the callback
 * parameter of the resolved database type.
 */
export type BunderstackTx<TSchema extends Record<string, unknown>> = Parameters<Parameters<DbFor<TSchema>['transaction']>[0]>[0];
export declare function validateDatabaseUrl(url: string, dialect: Dialect): void;
export declare function createDb<TSchema extends Record<string, unknown>>(schema: TSchema, cfg: DatabaseConnection & {
    adapter: DatabaseAdapter;
    dialect: Dialect;
    introspect?: boolean;
}): Promise<DatabaseConnectionResult<TSchema> & {
    driver: Driver;
}>;
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