const composeEntries = (editor, entries: Entry[]): Element[] => {
return Arr.bind(Arr.groupBy(entries, isIndented), (entries) => {
const groupIsIndented = Arr.head(entries).map(isIndented).getOr(false);
return groupIsIndented ? indentedComposer(editor, entries) : outdentedComposer(editor, entries);
});
};