import { mat3, vec2 } from 'gl-matrix';
import { AABB } from '../aabb';
import { Polygon } from './polygon';
export declare class Ellipse extends Polygon {
    readonly a: number;
    readonly b: number;
    readonly subdivisions: number;
    private readonly convex;
    /**
     * @param a radius along x axis
     * @param b radius along y axis
     */
    constructor(a: number, b: number, subdivisions?: number);
    testPoint(point: vec2): boolean;
    aabb(out: AABB, transform: mat3): AABB;
}