// An interface representing patterns that quantizes an entry function's body.
// The entry function's signatures should have already been quantized at the
// point of rewriting.
class EntryFuncBodyQuantizationPattern {
 public:
  virtual ~EntryFuncBodyQuantizationPattern() = default;

  // Returns `success()` if `entry_func_op`'s body is eligible for rewriting. At
  // this point `entry_func_op`'s signature has not been reset with quantized