code: public Method setMethod(String method) {
  		Method property = (method == null) ? null : new Method(method);
  		setMethod(property);
  		return property;
  	}
docs: Sets the type of <a href="http://tools.ietf.org/html/rfc5546">iTIP</a>
  request that this iCalendar object represents, or the value of the
  "Content-Type" header's "method" parameter if the iCalendar object is
  defined as a MIME message entity.
  @param method the method or null to remove
  @return the property that was created
  @see <a href="http://tools.ietf.org/html/rfc5546">RFC 5546</a>
  @see <a href="http://tools.ietf.org/html/rfc5545#page-77">RFC 5545
  p.77-8</a>
  @see <a href="http://tools.ietf.org/html/rfc2445#page-74">RFC 2445
  p.74-5</a>