/**
 * A minimal question/answer seam so interactive prompts stay testable: production
 * code wires {@link makeReadlinePrompter}; tests inject a fake that returns canned
 * answers. The harness stays non-interactive by default — a prompter is only wired
 * when the user explicitly opts in (e.g. `--detect`) AND the session is a TTY.
 */
export interface Prompter {
    /** Print `question`, read one line, and return the trimmed answer ("" on bare Enter/EOF). */
    ask(question: string): Promise<string>;
}
/**
 * True only when both stdin and stdout are real TTYs, so a prompt makes sense.
 * `AIH_NO_PROMPT=1` forces non-interactive (for CI / automation that runs in a TTY).
 */
export declare function isInteractive(env?: NodeJS.ProcessEnv): boolean;
/** A readline-backed prompter over stdin/stdout. The interface is opened per-ask. */
export declare function makeReadlinePrompter(): Prompter;