import { Kysely } from "kysely";
export type Dialect = "sqlite" | "postgres" | "d1";
export interface KyselyHandle {
    db: Kysely<Record<string, unknown>>;
    dialect: Dialect;
    /** URL with credentials redacted, safe for display. */
    displayUrl: string;
    /** Idempotent — safe to call multiple times. */
    close: () => Promise<void>;
}
/**
 * Infer dialect from URL scheme. Throws if the scheme isn't recognized.
 */
export declare function inferDialect(url: string): Dialect;
/**
 * Strip credentials from a URL for display. Returns unchanged if no userinfo.
 */
export declare function redactUrl(url: string): string;
/**
 * Construct a Kysely instance from a URL.
 *
 * For sqlite/libsql, requires `@libsql/kysely-libsql` peer dep.
 * For postgres, requires `pg` peer dep.
 *
 * Surfaces an install hint if the peer dep is missing.
 */
export declare function buildKyselyFromUrl(url: string, dialectOverride?: Dialect): Promise<KyselyHandle>;
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