message: Keep empty lines between members for TS nodes
diff: @@ -165,6 +165,12 @@ export function printTSBraced(
  node: AnyNode,
  members: Array<AnyNode>,
  ): Token {
  + if (members.length === 0) {
  + return group(
  + concat(['{', builder.tokenizeInnerComments(node, true), softline, '}']),
  + );
  + }
  +
  return group(
  concat([
  '{',
  @@ -173,7 +179,17 @@ export function printTSBraced(
  hardline,
  join(
  hardline,
  - members.map((member) => builder.tokenize(member, node)),
  + members.map((member, index) => {
  + const printed = builder.tokenize(member, node);
  + if (
  + index > 0 &&
  + builder.getLinesBetween(members[index - 1], member) > 1
  + ) {
  + return concat([hardline, printed]);
  + } else {
  + return printed;
  + }
  + }),
  ),
  ]),
  ),
  