import type Rect from "./Rect";
export default class Polygon4 {
    x1: number;
    y1: number;
    x2: number;
    y2: number;
    x3: number;
    y3: number;
    x4: number;
    y4: number;
    private constructor();
    static fromRect(r: Rect): Polygon4;
    rotate(radians: number, cx: number, cy: number): Polygon4;
    toTriangles(): [Triangle, Triangle];
}
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