Optionally refills the buffer if it contains less than {@code count} bytes remaining. @param count number of bytes to refill @throws IOException if a

Returns the current architecture.

Creates a new vertex buffer. @param attributes a list of vertex attributes; must not be empty @param slot an index of the buffer within this ve

Reads a group from the streaming graph by its group ID. @param groupId id of the group @return a list of objects in the group @throws IOException if

Indices of the root objects in this group.