explicit VSpace(GlueLength const & l);
/// Constructor for reading from a .lyx file
explicit VSpace(std::string const & data);
/// return the type of vertical space
explicit VSpace(GlueLength const & l);
/// Constructor for reading from a .lyx file
explicit VSpace(std::string const & data);
/// return the type of vertical space
std::string const asLyXCommand() const;
/// the latex representation
std::string const asLatexCommand(BufferParams const & params) const;
std::string const asLyXCommand() const;
/// the latex representation
std::string const asLatexCommand(BufferParams const & params) const;
/// how it is seen in the LyX window
docstring const asGUIName() const;
/// the size of the space on-screen
/// how it is seen in the LyX window
docstring const asGUIName() const;
/// the size of the space on-screen