import type { SandboxAdapter } from "./sandbox.js";
/** Which rung answered — reported verbatim on the umbrella's /status. `"e2b"`
 *  is no longer produced by this function (an explicit `e2bSandbox()` is
 *  `"custom"` like any other host adapter); it stays in the union because
 *  /status readers still meet it on older wires. */
export type SandboxVenue = "e2b" | "cloud" | "custom" | false;
export interface SandboxSelection {
    adapter: SandboxAdapter | undefined;
    venue: SandboxVenue;
}
/** The Cloud rung: a factory over the console credential, never an adapter
 *  that reads the environment itself. */
export type CloudSandboxRung = (options: {
    apiKey: string;
    baseUrl?: string;
}) => SandboxAdapter;
export declare function selectSandbox(configured: SandboxAdapter | undefined, cloud?: CloudSandboxRung): SandboxSelection;
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