/**
 * Raw SQL execution utilities for Drizzle
 * Provides direct driver access for raw SQL queries
 */
import type { H3Event } from 'h3';
import type { DrizzleDatabase } from './client.js';
/**
 * Register the underlying driver for raw SQL access
 */
export declare function registerDriver(db: DrizzleDatabase['db'], type: 'better-sqlite3' | 'libsql' | 'neon' | 'd1', driver: unknown): void;
/**
 * Get raw SQL executor for a Drizzle client
 */
export declare function getRawExecutor(client: DrizzleDatabase): {
    dialect: import("./client.js").DatabaseDialect;
    all<T = Record<string, unknown>>(query: string, params?: unknown[]): Promise<T[]>;
    first<T = Record<string, unknown>>(query: string, params?: unknown[]): Promise<T | undefined>;
    exec(query: string, params?: unknown[]): Promise<void>;
};
export type RawExecutor = ReturnType<typeof getRawExecutor>;
/**
 * Get raw SQL executor from event context or create new one
 */
export declare function useRawDb(event?: H3Event): Promise<RawExecutor>;
/**
 * Close underlying database driver connection
 */
export declare function closeDriver(db: DrizzleDatabase['db']): void;