const llvm::SmallVectorImpl<mlir::Value>& control_operands);

  // Converts one NodeDef from the input GraphDef into an Operation and
  // inserts it into the MLIR module using builder_.
  Status ConvertNode(const Node& node);

  // If the input graph represents a while-loop, the edges pointing from a
  // "NextIteration" node to a "Merge" node add cyclic dependencies and make the