Source: gfx/core/renderers/webgl/utils/StencilMaskStack.js

/**
 * Generic Mask Stack data structure
 * @class
 */
function StencilMaskStack() {
	/**
   * The actual stack
   *
   * @member {any[]}
   */
  this.stencilStack = [];

  /**
   * TODO @alvin
   *
   * @member {boolean}
   */
  this.reverse = true;

  /**
   * Internal count
   *
   * @member {number}
   */
  this.count = 0;
}

StencilMaskStack.prototype.constructor = StencilMaskStack;
module.exports = StencilMaskStack;