import type { IPath } from './Path';
export interface IExtrudeGeomety {
    positions: number[];
    index: number[];
    normals?: number[];
}
/**
 * 拉伸多边形顶点，返回拉伸后的顶点信息
 * @param paths 路径数据组
 * @param extrude 是否拉伸
 */
export default function extrudePolygon(path: IPath[]): IExtrudeGeomety;
export declare function fillPolygon(points: IPath[]): {
    positions: number[];
    index: number[];
};
export declare function extrude_PolygonNormal(path: IPath[], needFlat?: boolean): IExtrudeGeomety;