#include "tensorflow/core/lib/hash/hash.h"
#include "tensorflow/core/lib/strings/strcat.h"

namespace tensorflow {

/// @defgroup core Core Tensorflow API

class Output;

/// @addtogroup core
/// @{

/// Represents a node in the computation graph.
class Operation {
 public:
  Operation() : node_(nullptr) {}
  explicit Operation(Node* n);

#include "tensorflow/core/lib/core/status.h"
#include "tensorflow/core/lib/gtl/array_slice.h"

namespace tensorflow {

class Graph;
class GraphDef;
class NodeBuilder;
struct CompositeOpScopes;

/// @addtogroup core
/// @{

/// A `Scope` object represents a set of related TensorFlow ops that have the
/// same properties such as a common name prefix.
///