code: public void order_orderId_retraction_POST(Long orderId, String comment, OvhRetractionReasonEnum reason) throws IOException {
  		String qPath = "/me/order/{orderId}/retraction";
  		StringBuilder sb = path(qPath, orderId);
  		HashMap<String, Object>o = new HashMap<String, Object>();
  		addBody(o, "comment", comment);
  		addBody(o, "reason", reason);
  		exec(qPath, "POST", sb.toString(), o);
  	}
docs: Request retraction of order
  
  REST: POST /me/order/{orderId}/retraction
  @param reason [required] The reason why you want to retract
  @param comment [required] An optional comment of why you want to retract
  @param orderId [required]