import TopicShape from './topicShape';
import Bounds from '../../../utils/bounds';
import BranchViewController from '../../../viewController/branchViewController';
import Size from '../../../utils/size';
export default class StackTopicShape extends TopicShape {
    constructor();
    protected calcTopicShapePath(bounds: Bounds): string;
    getTopicMargins(branch: BranchViewController, size: Size): {
        top: number;
        left: number;
        bottom: number;
        right: number;
    };
}