This is in preparation for extending support to store the grid as a mesh. PiperOrigin-RevId: 786281232 Change-Id: Ic718c2d2e1891cf0b66113270fd3c98acc1e74a5
PiperOrigin-RevId: 758556339 Change-Id: Ib56d76fab084b530fd68d61a29294cb6f1d05f3f