code: public Repeat setRepeat(Integer count) {
  		Repeat prop = (count == null) ? null : new Repeat(count);
  		setRepeat(prop);
  		return prop;
  	}
docs: Sets the number of times an alarm should be repeated after its initial
  trigger.
  @param count the repeat count (e.g. "2" to repeat it two more times after
  it was initially triggered, for a total of three times) or null to remove
  @return the property that was created
  @see <a href="http://tools.ietf.org/html/rfc5545#page-133">RFC 5545
  p.133</a>
  @see <a href="http://tools.ietf.org/html/rfc2445#page-126">RFC 2445
  p.126-7</a>