// this map.
using FeedsByNode = absl::flat_hash_map<
    absl::string_view,
    absl::flat_hash_map<int, const std::pair<std::string, ArrayInfo>*>>;

// Creates from a `GraphImportConfig::InputArrays` a mapping from a feeds output
// tensor name to index and ArrayInfo. Keys and values are backed by
// `GraphImportConfig::InputArrays`.
absl::StatusOr<FeedsByNode> GetFeedsByNode(