import { ModuleObject } from "../module";
import { ParticleEffect } from "../particleEffect";
import { ParticleGenerator } from "./generator";
import { Shape } from "../shapes/shape";
/**
 * Module that can be used to generate particles with an initial position inside a generic _Shape_.
 *
 * Shape is assigned via `ShapeGenerator.shape` property, for example:
 *
 * ```ts
 *  const generator = new ShapeGenerator(particleEffect)
 *  generator.shape = {
 *      type: 'rectangle',
 *      v1: { x: 100, y: 100 },
 *      v2: { x: 300, y: 500 }
 *  }
 * ```
 *
 * @module
 * @category    Generator
 * interval {
 *      @tooltip        TODO
 *      @type           Number
 *      @min            0
 *      @step           0.01
 *      @defaultValue   0.1
 * }
 * shape {
 *      @tooltip        TODO
 *      @type           Shape
 *      @defaultValue   { "type": "rectangle", "v1": {"x": -50, "y": -50}, "v2": {"x": 50, "y": 50} }
 * }
 * bursts {
 *      @tooltip        TODO
 *      @type           Burst[]
 *      @defaultValue   []
 * }
 * edgesOnly {
 *      @tooltip        TODO
 *      @type           Boolean
 *      @defaultValue   false
 * }
 */
export declare class ShapeGenerator extends ParticleGenerator {
    shape?: Shape;
    edgesOnly: boolean;
    generateParticle(): void;
    /**
     * Wrap the properties of the module into a JSON containing only primitive JavaScript data types
     * (such as numbers, strings, etc.) that can be serialized into strings natively.
     */
    toObject(): ModuleObject;
    static fromObject(particleEffect: ParticleEffect, object: ModuleObject, hideWarnings: boolean): ShapeGenerator;
    /**
     * Serializable identifier for the module.
     *
     * This must be unique between all existing Modules in the library.
     */
    static moduleTypeId: string;
}