import 'tdesign-icons-web-components/esm/components/align-top';
import { Component, OmiProps, SignalValue } from 'omi';
import { AttachNode, StyledProps } from '../common';
import { TdBackTopProps } from './type';
export interface BackTopProps extends TdBackTopProps, StyledProps {
}
interface ClickEventProps {
    target?: AttachNode;
    container?: AttachNode;
    duration?: number;
    onClick?: OmiProps<BackTopProps>['onClick'];
    e: MouseEvent;
}
export default class BackTop extends Component<BackTopProps> {
    static css: any[];
    buttonRef: Partial<Record<"current", any>>;
    containerRef: Partial<Record<"current", any>>;
    visible: SignalValue<boolean>;
    needUninstall: Set<Function>;
    cls: SignalValue<string>;
    static propTypes: {
        container: ObjectConstructor;
        content: (ObjectConstructor | NumberConstructor | FunctionConstructor | StringConstructor)[];
        default: ObjectConstructor;
        duration: NumberConstructor;
        offset: ObjectConstructor;
        shape: ObjectConstructor;
        size: StringConstructor;
        target: ObjectConstructor;
        theme: StringConstructor;
        visibleHeight: ObjectConstructor;
        onClick: FunctionConstructor;
        ignoreAttributes: ObjectConstructor;
    };
    static defaultProps: {
        container: string;
        duration: number;
        offset: string[];
        shape: string;
        size: string;
        target: string;
        theme: string;
        visibleHeight: string;
    };
    getBackTo(target: AttachNode, container: AttachNode): number;
    handleClick(clickEventProps: ClickEventProps): void;
    ready(): void;
    uninstall(): void;
    render(props: OmiProps<BackTopProps>): JSX.Element;
}
export {};