export declare function getNextMarkValue(currentValue: number, marks: { value: number; label?: React.ReactNode; }[]): number; export declare function getPreviousMarkValue(currentValue: number, marks: { value: number; label?: React.ReactNode; }[]): number; export declare function getFirstMarkValue(marks: { value: number; label?: React.ReactNode; }[]): number; export declare function getLastMarkValue(marks: { value: number; label?: React.ReactNode; }[]): number;