/**
 * Interactivity detection for prompt paths.
 *
 * create-hq is routinely run with stdin closed (`</dev/null`), in CI, in
 * containers, and through `npm create`. Prompting there never resolves: the
 * readline callback is only invoked on a line of input, so a closed stdin
 * leaves the promise pending and Node exits 13 with "unsettled top-level
 * await". Every prompt must check this first and fall back to a default.
 */
export declare function isInteractive(): boolean;
/**
 * True when an install command would escalate privileges (`sudo …`).
 * create-hq never runs these itself — a container user has no sudo, and
 * silently escalating on a developer machine is not ours to decide.
 */
export declare function requiresSudo(command: string): boolean;
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