import { Point } from './geometry/point';
export declare class Transformation {
    a: number;
    b: number;
    c: number;
    d: number;
    constructor(a: number | number[], b?: number, c?: number, d?: number);
    transform(point: Point, scale?: number): Point;
    _transform(point: Point, scale?: number): Point;
    untransform(point: Point, scale: number): Point;
}