---input---
data class A(val data: String)

---tokens---
'data'        Keyword.Declaration
' '           Text
'class'       Keyword.Declaration
' '           Text
'A'           Name.Class
'('           Punctuation
'val'         Keyword.Declaration
' '           Text
'data'        Name.Variable
':'           Punctuation
' '           Text
'String'      Keyword.Type
')'           Punctuation
'\n'          Text
