std::optional<absl::string_view> GetXlaClusterForNode(const Node& node);

// Removes `node_def` its XLA cluster (by clearing its _XlaCluster attribute).
void RemoveFromXlaCluster(NodeDef* node_def);

// Removes `node` its XLA cluster (by clearing its _XlaCluster attribute).
void RemoveFromXlaCluster(Node* node);

// Returns true if `node` has a DT_RESOURCE typed input or output.
bool HasResourceInputOrOutput(const Node& node);