import { BBox, IGroup, IShape } from '@antv/g-base';
import { PolarLabelItem } from '../../interface';
/**
 * 饼图 outer-label 布局, 适用于 type = pie 且 label offset > 0 的标签
 */
export declare function pieOuterLabelLayout(originalItems: PolarLabelItem[], labels: IGroup[], shapes: IShape[] | IGroup[], region: BBox): void;