import type { PropType } from 'vue'; declare const _default: import("vue").DefineComponent; default: number; }; targetContainer: { type: PropType; }; easing: { type: StringConstructor; default: string; }; duration: { type: NumberConstructor; default: number; }; }>, { prefixCls: string; visible: import("vue").Ref; scrollToTop: () => void; }, {}, {}, {}, import("vue").ComponentOptionsMixin, import("vue").ComponentOptionsMixin, {}, string, import("vue").PublicProps, Readonly; default: number; }; targetContainer: { type: PropType; }; easing: { type: StringConstructor; default: string; }; duration: { type: NumberConstructor; default: number; }; }>> & Readonly<{}>, { duration: number; visibleHeight: number; easing: string; }, {}, { IconToTop: any; }, {}, string, import("vue").ComponentProvideOptions, true, {}, any>; export default _default;