class Buffer;
class BufferView;
class FuncRequest;
-class InsetBase;
-class LyXLex;
+class Inset;
+class Lexer;
/// creates inset according to 'cmd'
-InsetBase * createInset(BufferView * bv, FuncRequest const & cmd);
+Inset * createInset(BufferView * bv, FuncRequest const & cmd);
/// read inset from a file
-InsetBase * readInset(LyXLex & lex, Buffer const & buf);
+Inset * readInset(Lexer & lex, Buffer const & buf);
} // namespace lyx