export class SoftBillboardParticleRenderer extends ParticleRenderer {
    /**
     *
     * @param {Engine} engine
     */
    constructor(engine: Engine);
    /**
     *
     * @type {Map<Material, SoftBillboardParticlePool>}
     * @private
     */
    private __pools;
    /**
     *
     * @private
     * @type {ShaderManager}
     */
    private __shaders;
    /**
     *
     * @param {ParticleLayer} layer
     * @returns {SoftBillboardParticlePool}
     * @private
     */
    private __obtain_pool;
    __sort(): void;
    /**
     * Release resources
     */
    dispose(): void;
}
import { ParticleRenderer } from "../ParticleRenderer.js";
//# sourceMappingURL=SoftBillboardParticleRenderer.d.ts.map