import type { AttachNode, TNode } from '../common';
export interface TdBackTopProps {
    container?: AttachNode;
    content?: string | TNode;
    default?: string | TNode;
    duration?: number;
    offset?: Array<string | number>;
    shape?: BackTopShapeEnum;
    size?: 'medium' | 'small';
    target?: AttachNode;
    theme?: 'light' | 'primary' | 'dark';
    visibleHeight?: string | number;
    onClick?: (context: {
        e: MouseEvent;
    }) => void;
}
export declare type BackTopShapeEnum = 'circle' | 'square';
