createUniqueName(originalName) {
    const sanitizedName = three__WEBPACK_IMPORTED_MODULE_0__.PropertyBinding.sanitizeNodeName(originalName || '');
    if (sanitizedName in this.nodeNamesUsed) {
      return sanitizedName + '_' + ++this.nodeNamesUsed[sanitizedName];
    } else {
      this.nodeNamesUsed[sanitizedName] = 0;
      return sanitizedName;
    }
  }
When Object3D instances are targeted by animation, they need unique names.

@param {String} originalName
@return {String}