void setExecutablePath(String executablePath) {
    String oldValue = this.executablePath;
    if (oldValue != null && !oldValue.equals(executablePath) || oldValue == null && executablePath != null) {
      this.executablePath = executablePath;
      propertyChangeSupport.firePropertyChange(ATTR_EXECUTABLE_PATH, oldValue, this.executablePath);
    }
  }
void setExecutablePath(String executablePath)