import Data.Maybe
import Data.Function
import Language.Haskell.LSP.Messages
-import Language.Haskell.LSP.TH.ClientCapabilities
+import Language.Haskell.LSP.Types.Capabilities
import Language.Haskell.LSP.Types hiding (error)
import Language.Haskell.LSP.VFS
import Language.Haskell.LSP.Test.Decoding