xhh f4581d3008 Update imports in models of Java clients
- Remove the StringUtil import which is no longer needed
- Remove duplicated imports of Objects and io.swagger.annotations.*
- Only include jackson related imports in the Java clients needing it
  (i.e. the default, jersey2 and feign Java clients)
2015-12-31 12:44:34 +08:00
..
2015-10-20 10:57:36 -07:00