ref: f9152e6f40962862b9a29aeef65c6d06a853f9f3
dir: /test/utils/InputStream.h/
#ifndef __INPUTSTREAM_H__
#define __INPUTSTREAM_H__
#include <cstddef>
struct InputStream {
virtual int read(void* ptr, size_t len) = 0;
};
#endif //__INPUTSTREAM_H__