import { Matrix } from 'mathjs';
export declare type Margins = {
    left: number;
    right: number;
    top: number;
    bottom: number;
};
export declare type Vec2 = number[];
export declare const isVec2: (x: any) => x is Vec2;
export declare type Vec3 = number[];
export declare const isVec3: (x: any) => x is Vec3;
export declare type Vec4 = number[];
export declare const isVec4: (x: any) => x is Vec4;
export declare type Vec2H = number[];
export declare const isVec2H: (x: any) => x is Vec2H;
export declare const homogenizeVec2: (v: Vec2) => Vec2H;
export declare const Vec2HToVector: (v: Vec2H) => Matrix;
export declare const pointIsInEllipse: (pt: Vec2 | Vec2H, center: Vec2 | Vec2H, xRadius: number, yRadius?: number) => boolean;
export declare type RectangularRegion = {
    xmin: number;
    xmax: number;
    ymin: number;
    ymax: number;
};
export declare const isRectangularRegion: (x: any) => x is RectangularRegion;
export declare const rectsAreEqual: (a: RectangularRegion, b: RectangularRegion) => boolean;
export declare const getWidth: (region: RectangularRegion) => number;
export declare const getHeight: (region: RectangularRegion) => number;
export declare const getCenter: (region: RectangularRegion) => Vec2;
export declare const getRectFromPointPair: (pointA: Vec2, pointB: Vec2) => Vec4;
export declare const pointSpanToRegion: (pointSpan: Vec4) => RectangularRegion;
export declare const rectangularRegionsIntersect: (r1: RectangularRegion, r2: RectangularRegion) => boolean;
export declare const pointInRect: (point: Vec2, rect: RectangularRegion) => boolean;
export declare const getBoundingBoxForEllipse: (point: Vec2, xRadius: number, yRadius: number) => RectangularRegion;
export declare type TransformationMatrix = Vec3[];
export declare const isTransformationMatrix: (x: any) => x is TransformationMatrix;
export declare const toTransformationMatrix: (x: Matrix) => TransformationMatrix;
export declare const getBasePixelTransformationMatrix: (pixelSpaceWidth: number, pixelSpaceHeight: number, newTargetSystem?: RectangularRegion) => {
    matrix: TransformationMatrix;
    coords: RectangularRegion;
};
export declare const getTransformationMatrix: (newSystem: RectangularRegion, targetRangeInCurrentSystem: RectangularRegion) => TransformationMatrix;
export declare const getInverseTransformationMatrix: (t: TransformationMatrix) => TransformationMatrix;
export declare const getUpdatedTransformationMatrix: (newSystem: RectangularRegion, targetRangeInCurrentSystem: RectangularRegion, oldTransform: TransformationMatrix) => TransformationMatrix;
export declare const transformXY: (tmatrix: TransformationMatrix, x: number, y: number) => Vec2H;
export declare const transformPoint: (tmatrix: TransformationMatrix, point: Vec2H) => Vec2H;
export declare const transformPoints: (tmatrix: TransformationMatrix, points: Vec2[]) => Vec2[];
export declare const transformRect: (tmatrix: TransformationMatrix, rect: RectangularRegion) => RectangularRegion;
export declare const transformDistance: (tmatrix: TransformationMatrix, xyDist: Vec2) => Vec2;
export declare const isNumber: (x: any) => x is number;
export declare const isString: (x: any) => x is string;