Gets available filters info.
[Missing <returns> documentation for M:LumiSoft.MailServer.API.UserAPI.FilterCollection.GetFilterTypes]
Assembly: UserAPI Version: 1.0.0.0 (Module: UserAPI)
[Missing <returns> documentation for M:LumiSoft.MailServer.API.UserAPI.FilterCollection.GetFilterTypes]
Assembly: UserAPI Version: 1.0.0.0 (Module: UserAPI)