Table: collab_sw_2
Columns: name
mail_transfer_agent
mail_storage_type
imap_server
imap_shared
calendar_format
calendar_shared
im_server
webdav
web_ui
contacts_shared
files_shared
web_admin_ui

Question: What IMAP sharing options exist for software with a web UI?
SQL: SELECT "imap_shared" FROM collab_sw_2 WHERE "web_ui" = 'web ui'