import { TetGeometry } from '../TetGeometry';
import { Vector3 } from 'three';
export declare function tetCenter(tetGeometry: TetGeometry, tetId: number, target: Vector3): void;
export declare function getCircumCenter(p0: Vector3, p1: Vector3, p2: Vector3, p3: Vector3, target: Vector3): Vector3;
export declare function tetCircumCenter(tetGeometry: TetGeometry, tetId: number, target: Vector3): void;