import UnderlineTopicShape from './underlineTopicShape';
import BranchViewController from '../../../viewController/branchViewController';
import Size from '../../../utils/size';
export default class FishboneUnderlineTopicShape extends UnderlineTopicShape {
    getTopicMargins(branch: BranchViewController, size: Size): {
        top: number;
        left: number;
        bottom: number;
        right: number;
    };
    private _getOffsetInfo;
}