import { Matr4 } from "./Matr4";
import { IVect3, Vect3 } from "./Vect3";
export declare class Box {
    min: Vect3;
    max: Vect3;
    constructor(min?: IVect3, max?: IVect3);
    setStart(min: IVect3): this;
    setEnd(max: IVect3): this;
    length(): number;
    clone(): Box;
    copy(other: Box): this;
    expandByPoint(point: Vect3): this;
    makeEmpty(): this;
    isEmpty(): boolean;
    applyMatrix4(matr4: Matr4): this | undefined;
}
