public sbn::service_kernelusing hierarchy_array = std::vector< hierarchy_type >using hierarchy_type = Hierarchy< address_type >using address_type = sys::ipv4_addressread(sbn::kernel_buffer & in) -> voidvirtualwrite(sbn::kernel_buffer & out) const -> voidvirtualhierarchies() const -> const hierarchy_array &hierarchies(hierarchy_array && rhs) -> voidhierarchies(const hierarchy_array & rhs) -> voidoperator=(Status_kernel &&) -> Status_kernel &Status_kernel(Status_kernel &&)operator=(const Status_kernel &) -> Status_kernel &Status_kernel(const Status_kernel &)~Status_kernel()virtualStatus_kernel()