docs: function ParticleContainer(size, properties)
  {
      Container.call(this);
  
      /**
       * Set properties to be dynamic (true) / static (false)
       *
       * @member {array}
       * @private
       */
      this._properties = [false, true, false, false, false];
  
      /**
       * @member {number}
       * @private
       */
      this._size = size || 15000;
  
      /**
       * @member {WebGLBuffer}
       * @private
       */
      this._buffers = null;
  
      /**
       * @member {boolean}
       * @private
       */
      this._updateStatic = false;
  
      /**
       * @member {boolean}
       *
       */
      this.interactiveChildren = false;
  
      /**
       * The blend mode to be applied to the sprite. Apply a value of blendModes.NORMAL to reset the blend mode.
       *
       * @member {number}
       * @default CONST.BLEND_MODES.NORMAL;
       */
      this.blendMode = CONST.BLEND_MODES.NORMAL;
  
      /**
       * Used for canvas renderering. If true then the elements will be positioned at the nearest pixel. This provides a nice speed boost.
       * 
       * @member {boolean}
       * @default true;
       */
      this.roundPixels = true;
  
      this.setProperties(properties);
  }