Returns the largest possible value of std::distance(begin(), end()) for a FixedArray<T>. This is equivalent to the most possible addressable bytes over the number of bytes taken by T.
std::distance(begin(), end())
FixedArray<T>
Declared in <absl/container/fixed_array.h>
<absl/container/fixed_array.h>
constexpr size_type max_size() const;
The maximum number of elements the fixed array can address.