public void apply() {
    String linkedProjectPath = myLinkedProjectPathField.getPath();
    //noinspection ConstantConditions
    myProjectSettings.setExternalProjectPath(ExternalSystemApiUtil.normalizePath(linkedProjectPath));
    myProjectSettingsControl.apply(myProjectSettings);
    if (mySystemSettingsControl != null) {
      mySystemSettingsControl.apply(mySystemSettings);
    }
  }
public void apply()