import { Point } from './Point';
import { Rect } from './Rect';
import { Vec4 } from './Vec4';
export declare type Mat4 = {
    readonly m00: number;
    readonly m10: number;
    readonly m20: number;
    readonly m30: number;
    readonly m01: number;
    readonly m11: number;
    readonly m21: number;
    readonly m31: number;
    readonly m02: number;
    readonly m12: number;
    readonly m22: number;
    readonly m32: number;
    readonly m03: number;
    readonly m13: number;
    readonly m23: number;
    readonly m33: number;
};
export declare const IDENTITY: Mat4;
export declare function scalar(scale: number): Mat4;
export declare function scalarVector({ x, y, z, w }: Vec4): Mat4;
export declare function translation(x: number, y: number): Mat4;
export declare function plusMat4(left: Mat4, right: Mat4): Mat4;
export declare function timesPoint(left: Mat4, right: Point): Point;
export declare function timesMat4(left: Mat4, right: Mat4): Mat4;
export declare function timesRectToBoundingBox(left: Mat4, right: Rect): Rect;
export declare function invert(mat: Mat4): Mat4;
export declare function mat4ToArray(mat4: Mat4): [
    number,
    number,
    number,
    number,
    number,
    number,
    number,
    number,
    number,
    number,
    number,
    number,
    number,
    number,
    number,
    number
];