s.object({
  name: s.enum("A", "B"),
  other: s.object({ name: s.string }).default(/** if name is "A", default is { name: "abc" }, if name is "B", default is { name: "cba" }

s.object({
  name: s.enum("A", "B"),
  other: s.object({ name: s.string }).default(/** if name is "A", default is { name: "abc" }, if name is "B", default is { name: "cba" }