import AbstractStructure from './abstractStructure';
import Bounds from '../utils/bounds';
import Size from '../utils/size';
import BranchViewController from '../viewController/branchViewController';
export default abstract class TreeLeftAndRight extends AbstractStructure {
    calcAttachedChildrenPos(branch: BranchViewController, bounds: Bounds): void;
    protected getChildrenSize(branch: BranchViewController): Size;
    protected abstract isRight(): boolean;
}