ref: 0cd3f9d9527f7c943a9f4947055460c09c5e8e36
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__