The resource IDs of the column specs describing the columns
of the row. If set must contain, but possibly in a different
order, all input feature
of the Model this row is being passed to. Note: The below
``values`` field must match order of this field, if this
field is set.
Required. The values of the row cells, given in the same
order as the column_spec_ids, or, if not set, then in the
same order as input feature
of the Model this row is being passed to.