export type EffortConfirmAction = 'pass' | 'confirm';
/**
 * Auto-confirm Claude Code's mid-session "Change effort level?" dialog.
 *
 * When botmux passes a fully-qualified `/effort <level>` command through to
 * Claude Code *during* a session, the client shows a Yes/No confirmation
 * ("This conversation is cached… Switching to <level> means the full history
 * gets re-read"). The user already expressed the target level when they typed
 * the command, so the second confirmation is pure friction — and because this
 * native slash dialog fires no hook (unlike AskUserQuestion) and is not caught
 * by any screen detector, an un-answered dialog silently parks the session on a
 * green "awaiting input" card with no way to answer from Feishu.
 *
 * This guard is *armed* only by botmux's own `/effort <level>` passthrough, so
 * it never inspects arbitrary screens. While armed it watches PTY chunks for
 * the effort dialog's distinctive title plus a rendered confirm option; on a
 * match it reports `confirm` (the caller presses Enter on the default "Yes"
 * row) and disarms. The caller also disarms on a timeout, so a `/effort` that
 * needs no confirmation (e.g. first use in a fresh session) leaves no residue.
 *
 * Bare `/effort` (no level) opens a level *picker*, not a Yes/No confirm — the
 * target is unknown, so it is intentionally NOT armed here.
 */
export declare class EffortConfirmDialogGuard {
    private armed;
    private tail;
    /** Arm after a `/effort <level>` passthrough is written to the CLI. */
    arm(): void;
    /** Whether the guard is currently watching for the confirm dialog. */
    isArmed(): boolean;
    /** Stop watching (fired dialog, timed out, or CLI respawn). */
    disarm(): void;
    reset(): void;
    inspect(data: string): EffortConfirmAction;
}
/** True for `/effort <level>` (a confirmable switch), false for bare `/effort`
 *  (a level picker), a multi-token line, or any other command. Anchored to a
 *  single argument so only the confirm-dialog form arms the guard. */
export declare function isEffortLevelCommand(content: string): boolean;
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