ulong Search(uchar const *, TextPosition, TextPosition *, TextPosition *) const;
TextPosition Inverse(TextPosition) const;
TextPosition LF(uchar c, TextPosition &sp, TextPosition &ep) const;
TextPosition Psi(TextPosition) const;
uchar * Substring(TextPosition, TextPosition) const;
ulong Search(uchar const *, TextPosition, TextPosition *, TextPosition *) const;
TextPosition Inverse(TextPosition) const;
TextPosition LF(uchar c, TextPosition &sp, TextPosition &ep) const;
TextPosition Psi(TextPosition) const;
uchar * Substring(TextPosition, TextPosition) const;