import { TypeTreeState } from '../tree-types';
export declare function formatCSSUnit(unit: string | number): string | number;
export default function useTreeStyles(state: TypeTreeState): {
    treeClasses: import("@vue/composition-api").ComputedRef<string[]>;
    treeContentStyles: import("@vue/composition-api").ComputedRef<import("../..").Styles>;
    scrollStyles: import("@vue/composition-api").ComputedRef<import("../..").Styles>;
    cursorStyles: import("@vue/composition-api").ComputedRef<import("../..").Styles>;
};