code: public GroupBuilder setAllowSplitting(boolean headerSplit, boolean footerSplit) {
  		group.setAllowHeaederSplit(headerSplit);
  		group.setAllowFooterSplit(footerSplit);
  		return this;
  	}
docs: *
  pass-through property to setup group header and footer bands "allowSplit" property.
  When FALSE, if the content reaches end of the page, the whole band gets pushed
  to the next page.
  @param headerSplit
  @param footerSplit
  @return