import type React from 'react';
export interface ExitConfirmPanelProps {
    leaderActive: boolean;
    subagentCount: number;
    backgroundCount?: number | undefined;
}
export interface ExitConfirmationKey {
    escape?: boolean | undefined;
    return?: boolean | undefined;
}
export type ExitConfirmationDecision = true | false | null;
/**
 * Deterministic keyboard state machine shared by the App input router and
 * regression tests. Returning `null` means "keep waiting" — the panel
 * stays open with no decision committed yet.
 *
 * `/exit` requires an explicit acknowledgement while any work is in flight,
 * so any printable key is ignored. Pressing Enter confirms, pressing Esc
 * cancels. This mirrors the `/clear` invariant: never tear down in-flight
 * work without an affirmative keystroke.
 */
export declare function exitConfirmationDecision(input: string, key: ExitConfirmationKey): ExitConfirmationDecision;
/**
 * Modal confirmation for `/exit` while work is active. The panel makes the
 * active fleet obvious so the user understands what `/exit` would tear down
 * before they press Enter.
 */
export declare function ExitConfirmPanel({ leaderActive, subagentCount, backgroundCount, }: ExitConfirmPanelProps): React.ReactElement;
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