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#ifndef MOZC_REWRITER_REWRITER_UTIL_H_
#define MOZC_REWRITER_REWRITER_UTIL_H_

#include <cstddef>

#include "converter/segments.h"

namespace mozc {

class RewriterUtil {
 public:
  // Calculates the inserting position so that we can keep the candidates from
  // user history predictor.
  // Note:
  // Rewriters can be called not only after converter, but also after
  // predictors.
  static size_t CalculateInsertPosition(const Segment& segment, size_t offset);

 private:
  RewriterUtil() = delete;
  virtual ~RewriterUtil() = delete;
};

}  // namespace mozc

#endif  // MOZC_REWRITER_REWRITER_UTIL_H_
