import type { AdapterExecutionContext } from "../types.js";
/** Stop owns the sandbox before abandoning an outstanding startup RPC. The
 * original RPC may complete late; its result cannot restart preparation. */
export declare function cancellableSandboxStartup(ctx: AdapterExecutionContext): {
    context: AdapterExecutionContext;
    stopAcknowledged: () => boolean;
    finish: () => Promise<void>;
};
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