Method createBegin

projects/JavaScript/proto/test.js:20648–20650

* Create a new model (begin phase) * @this {!StructMapModel} * @returns {!number} Model begin offset

()

   * @returns {!number} Model begin offset
   */
  createBegin () {
    return this.buffer.allocate(4 + this.model.fbeSize)
  }

  /**
   * Create a new model (end phase)