/// <reference types="react" />
declare type UnknownErrorProps = {
    error: {
        toString: () => string;
    };
};
export declare function UnknownError({ error }: UnknownErrorProps): JSX.Element;
export declare function grammarNotFound({ lang }: {
    lang: string;
}): {
    element: JSX.Element;
};
export declare function invalidFocusNumber(n: string): {
    withFocusString: (focusString: string) => {
        withStepIndex: (stepIndex: number) => {
            element: JSX.Element;
        };
    };
};
export declare function invalidLineOrColumnNumber(): {
    withFocusString: (focusString: string) => {
        withStepIndex: (stepIndex: number) => {
            element: JSX.Element;
        };
    };
};
export {};