\brief Retrieve a cursor for one of the overloaded declarations referenced
by a \c CXCursor_OverloadedDeclRef cursor.
\param cursor The cursor whose overloaded declarations are being queried.
\param index The zero-based index into the set of overloaded declarations in
the cursor.
\returns A cursor representing the declaration referenced by the given
\c cursor at the specified \c index. If the cursor does not have an
associated set of overloaded declarations, or if the index is out of bounds,
returns \c clang_getNullCursor();
\brief Retrieve a cursor for one of the overloaded declarations referenced by a \c CXCursor_OverloadedDeclRef cursor.
\param cursor The cursor whose overloaded declarations are being queried.
\param index The zero-based index into the set of overloaded declarations in the cursor.
\returns A cursor representing the declaration referenced by the given \c cursor at the specified \c index. If the cursor does not have an associated set of overloaded declarations, or if the index is out of bounds, returns \c clang_getNullCursor();