/**
 * Cloudflare D1 Adapter
 *
 * Wraps the native D1 binding with our interface.
 * Essentially a passthrough since D1 already matches our interface.
 *
 * The tool recedes; D1 is used transparently.
 */
import type { Database } from '../types.js';
interface D1Database {
    prepare(query: string): D1PreparedStatement;
    batch<T = unknown>(statements: D1PreparedStatement[]): Promise<D1Result<T>[]>;
    exec(query: string): Promise<D1ExecResult>;
    dump(): Promise<ArrayBuffer>;
}
interface D1PreparedStatement {
    bind(...values: unknown[]): D1PreparedStatement;
    all<T = unknown>(): Promise<D1Result<T>>;
    first<T = unknown>(columnName?: string): Promise<T | null>;
    run(): Promise<D1Result<unknown>>;
}
interface D1Result<T> {
    results?: T[];
    success: boolean;
    meta: Record<string, unknown>;
}
interface D1ExecResult {
    count: number;
    duration: number;
}
/**
 * Wrap D1 database with our platform-agnostic interface.
 *
 * @param d1 - Native Cloudflare D1 database binding
 * @returns Database interface that works with getPlatform()
 */
export declare function wrapD1(d1: D1Database): Database;
/**
 * Type guard to check if an object is a D1 database.
 */
export declare function isD1Database(obj: unknown): obj is D1Database;
export {};