import type { ConnectionDetails } from "../client/types.gen.js";
import { type NeonResult } from "./result.js";
/**
 * Pick a connection string from a create response's `connection_uris`.
 *
 * Neon returns the **direct** URI; the pooled URI is the same string with the host
 * swapped for the `-pooler` host (`connection_parameters.pooler_host`), so we derive it
 * without an extra request. Returns `undefined` when the response carries no connection
 * URI (e.g. a branch created from a parent with multiple roles/databases).
 */
export declare function pickConnectionString(uris: ConnectionDetails[] | undefined, pooled: boolean): string | undefined;
/**
 * Attach a derived connection string to a create result, returning a
 * {@link NeonClientError} when the response carries no connection URI.
 */
export declare function withConnectionString<D, T>(result: NeonResult<D>, uris: (data: D) => ConnectionDetails[] | undefined, build: (data: D, connectionString: string) => T, pooled: boolean): NeonResult<T>;
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