import { Position } from "../types";
import { ParticleGenerator } from "./generator";
import { ModuleObject } from "../module";
import { ParticleEffect } from "../particleEffect";
/**
 * Generator module that creates particles along the exterior of a circular area.
 *
 * Each particle is generated next to each other, so that when particles are regularly generated they move around the circle.
 *
 * @module
 * @category    Generator
 * interval {
 *      @tooltip        TODO
 *      @type           Number
 *      @min            0
 *      @step           0.01
 *      @defaultValue   0.1
 * }
 * center {
 *      @tooltip        TODO
 *      @type           Position
 *      @defaultValue   { "x": 0, "y": 0 }
 * }
 * bursts {
 *      @tooltip        TODO
 *      @type           Burst[]
 *      @defaultValue   []
 * }
 * radius {
 *      @tooltip        TODO
 *      @type           Number
 *      @defaultValue   50
 * }
 * nextParticleAngle {
 *      @tooltip        TODO
 *      @type           Number
 *      @defaultValue   0
 * }
 * angleStep {
 *      @tooltip        Radians
 *      @type           Number
 *      @defaultValue   0.5
 * }
 */
export declare class CircleLoadingGenerator extends ParticleGenerator {
    /**
     * Center location of the circle.
     */
    center: Position;
    /**
     * Radius of the circle as pixels.
     */
    radius: number;
    /**
     * The angle at which the next particle will be generated at.
     *
     * Unit is in _radians_.
     */
    nextParticleAngle: number;
    /**
     * The angle that is incremented between each generated particle.
     *
     * Unit is in _radians_.
     */
    angleStep: number;
    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): CircleLoadingGenerator;
    /**
     * Serializable identifier for the module.
     *
     * This must be unique between all existing Modules in the library.
     */
    static moduleTypeId: string;
}