text: #pragma once
  
  #include <vxLib/types.h>
  
  namespace vx
  {
  	class InStream
  	{
  	public:
  		virtual ~InStream() {}
  
  		virtual s32 read(u8* dst, s32 size) = 0;
  	};
  
  	class OutStream
  	{
  	public:
  		virtual ~OutStream() {}
  
  		virtual s32 write(const u8* src, s32 size) = 0;
  	};
  }