/** A prepared statement bound with `$`-prefixed named parameters. */
export interface PortableStatement {
    run(params?: Record<string, unknown>): void;
    all<T = unknown>(params?: Record<string, unknown>): T[];
    get<T = unknown>(params?: Record<string, unknown>): T | undefined;
}
/** A synchronous embedded SQLite handle, uniform across Bun and Node. */
export interface PortableDatabase {
    exec(sql: string): void;
    prepare(sql: string): PortableStatement;
    /** Wrap `fn` so the statements it runs commit as one transaction. */
    transaction<A extends unknown[]>(fn: (...args: A) => void): (...args: A) => void;
    close(): void;
}
export interface OpenSqliteOptions {
    /** Open read-only. The database file must already exist. */
    readonly?: boolean;
}
/**
 * Open an embedded SQLite database using the runtime's native driver —
 * `bun:sqlite` under Bun, `node:sqlite` under Node 22.5+.
 */
export declare function openSqlite(path: string, opts?: OpenSqliteOptions): PortableDatabase;
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