code: public void setDateExpired(CmsResource resource, long dateExpired, boolean recursive) throws CmsException {
  
          getResourceType(resource).setDateExpired(this, m_securityManager, resource, dateExpired, recursive);
      }
docs: Changes the "expire" date of a resource.<p>
  
  @param resource the resource to change
  @param dateExpired the new expire date of the changed resource
  @param recursive if this operation is to be applied recursively to all resources in a folder
  
  @throws CmsException if something goes wrong