'// this used to take ages' Comment.Single
'\n'          Text.Whitespace

'void'        Keyword.Type
' '           Text.Whitespace
'foo'         Name.Function
'('           Punctuation
')'           Punctuation
' '           Text.Whitespace
'throws'      Keyword.Declaration
' '           Text.Whitespace
'xxxxxxxxxxxxxxxxxxxxxx' Name
'{'           Punctuation
' '           Text.Whitespace
'}'           Punctuation
'\n'          Text.Whitespace