code: func (c *IndexedDB) GetKeyGeneratorCurrentNumber(securityOrigin string, databaseName string, objectStoreName string) (float64, error) {
  	var v IndexedDBGetKeyGeneratorCurrentNumberParams
  	v.SecurityOrigin = securityOrigin
  	v.DatabaseName = databaseName
  	v.ObjectStoreName = objectStoreName
  	return c.GetKeyGeneratorCurrentNumberWithParams(&v)
  }
docs: // GetKeyGeneratorCurrentNumber - Gets the auto increment number of an object store. Only meaningful when objectStore.autoIncrement is true.
  // securityOrigin - Security origin.
  // databaseName - Database name.
  // objectStoreName - Object store name.
  // Returns -  currentNumber - the current value of key generator, to become the next inserted key into the object store.