import type { KeyEvent } from "@opentui/core";
import type { ReactNode } from "react";
export declare function isEscapeKeyboardEvent(event: KeyEvent): boolean;
export declare function isCtrlCKeyboardEvent(event: KeyEvent): boolean;
export declare function isCancelKeyboardEvent(event: KeyEvent): boolean;
export declare function emitInterruptSignal(source: string): void;
export declare function useCancelKey(onCancel: () => void): void;
interface PromptCancelBoundaryProps {
    onCancel: () => void;
    children: ReactNode;
}
export declare function PromptCancelBoundary({ onCancel, children }: PromptCancelBoundaryProps): ReactNode;
export {};
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