/**
 * Spatial region.
 */
export declare abstract class Region {
    /**
    * Returns true if the region contains the provided position.
    * @param position - The position to check.
    * @param margin - The outer margin value in non-scaled pixels.
    */
    abstract contains(position: p5.Vector, margin?: number): boolean;
    /**
     * Constrains the provided position in the region.
     * @param position - The position to constrain.
     * @param margin - The outer margin value in non-scaled pixels.
     */
    abstract constrain(position: p5.Vector, margin?: number): void;
}
/**
 * Rectangle-shaped spatial region.
 */
export declare class RectangleRegion extends Region {
    leftPositionX: number;
    topPositionY: number;
    rightPositionX: number;
    bottomPositionY: number;
    readonly width: number;
    readonly height: number;
    readonly area: number;
    constructor(x1: number, y1: number, x2: number, y2: number, margin?: number);
    contains(position: p5.Vector, margin?: number): boolean;
    constrain(position: p5.Vector, margin?: number): void;
}