import GC from '@grapecity/spread-sheets';
export interface ListDataValidator extends GC.Spread.Sheets.DataValidation.DefaultDataValidator {
    multiList?: boolean;
    colors?: string[];
    oldInCellDropdown?: boolean;
    fromJSON: (...args: unknown[]) => void;
    toJSON: (...args: unknown[]) => any;
}
export declare function patchDataValidator(): void;
