CStringList documentation

At the beginning of the page:
https://learn.microsoft.com/en-us/cpp/mfc/reference/cstringlist-class?view=msvc-170

one can see the following line:

CObject*& CObList::GetHead() const;

Can you explain me what it is?

1. It looks like a function declaration.
   Yet in a class .h file, we wouldn't prefix the function name with the class name CObList::

2. Also, is CObject*& a function return type?

I am familiar with parameters passed as references using a & like for example:

void CMyClass::FindCountry(CString & szCountry)
{
    [...]
}

3. What does the const keyword mean in that context?

Thanks.

1. It is a declaration of a CObList member function. It's not a proper C++ declaration (since it's done outside the class without a definition), but a declaration nevertheless.
2. Yes, the function returns a reference to a CObject pointer.
3. const means that the function promises to not change the CObList object. It's const qualified.