// Contructors are protected, not to be invoked by end user.
ContentEntry(DictEntry *e);
ContentEntry(DocEntry *d);
// Destructor is protected, not to be invoked by end user.
~ContentEntry();
// Contructors are protected, not to be invoked by end user.
ContentEntry(DictEntry *e);
ContentEntry(DocEntry *d);
// Destructor is protected, not to be invoked by end user.
~ContentEntry();