In other words, skin authors should ignore this method since it only intended for system maintenance.
上下文是在com.jivesoftware.forum.Forum
/**
* Sets the date the forum was last modified. In most cases, last modifed
* will default to when the forum data was last changed. However,
* the last modified date needs to be set manually when importing data.
* In other words, skin authors should ignore this method since it only
* intended for system maintenance.
*
* @param modifiedDate the date the forum was modified.
* @throws UnauthorizedException if does not have ADMIN permissions.
*/
public void setModifiedDate(Date modifiedDate) throws UnauthorizedException;