export type CodexUpdateDialogAction = 'pass' | 'dismiss' | 'suppress';
/**
 * Detect Codex's startup update picker across PTY chunks.
 *
 * Most launches disable the picker with `check_for_update_on_startup=false`.
 * Aiden is the exception: its `aiden x codex` launcher rejects every Codex
 * `-c` / `--config` override, so the worker needs a narrow compatibility
 * fallback. The picker has used both "Skip" and "Remind me later" for its
 * non-upgrade choice across Codex releases.
 */
export declare class CodexUpdateDialogGuard {
    private tail;
    private dismissed;
    inspect(data: string): CodexUpdateDialogAction;
    reset(): void;
}
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