internal void svn_stream_set_read(IntPtr stream, svn_read_fn_t read_fn);
internal void svn_stream_set_read(IntPtr stream, svn_read_fn_t read_fn);
internal void svn_stream_set_read(IntPtr stream, svn_read_fn_t read_fn);
internal void svn_stream_set_read(IntPtr stream, svn_read_fn_t read_fn);