#include "tensorstore/array.h"
constexpr span<const Index, static_rank>
tensorstore::Array<ElementTagType,
                   Rank,
                   OriginKind,
                   LayoutContainerKind>::origin() const;
span<MaybeConstOriginIndex, static_rank>
tensorstore::Array<ElementTagType,
                   Rank,
                   OriginKind,
                   LayoutContainerKind>::origin();

Returns the origin vector of size rank().