import { TdBaseTableProps } from '../type';
export declare function formatCSSUnit(unit: string | number | undefined): string | number;
export default function useStyle(props: TdBaseTableProps): {
    tableClasses: import("vue").ComputedRef<(string | string[] | {
        [x: string]: boolean | ((h: typeof import('vue').h) => import("@/common").TNodeReturnValue);
    })[]>;
    tableElementStyles: import("vue").ComputedRef<{
        width: string | number;
    }>;
    tableContentStyles: import("vue").ComputedRef<{
        height: string | number;
        maxHeight: string | number;
    }>;
};