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  #ifndef STORAGE_LEVELDB_UTIL_HASH_H_
  #define STORAGE_LEVELDB_UTIL_HASH_H_
  
  #include <stddef.h>
  #include <stdint.h>
  
  namespace leveldb {
  
  extern uint32_t Hash(const char* data, size_t n, uint32_t seed);
  
  }
  
  
  