code: public ProjectType getDefaultType() {
  		if (this.projectTypes.getDefaultItem() != null) {
  			return this.projectTypes.getDefaultItem();
  		}
  		String defaultTypeId = getDefaults().get("type");
  		if (defaultTypeId != null) {
  			return this.projectTypes.getContent().get(defaultTypeId);
  		}
  		return null;
  	}
docs: Return the default type to use or {@code null} if the metadata does not define any
  default.
  @return the default project type or {@code null}