Report each column holding a cell that does not fit its declared kind.
Returns [] when column_kinds is absent. A null cell always fits.
Each failing column yields one cell_kind finding, in column order,
whose path points at the first bad cell (/rows/3/2) and whose message
counts the bad cells and quotes the first. tool is null; a caller may
build a copy with it set.
Report each column holding a cell that does not fit its declared kind.
Returns
[]whencolumn_kindsis absent. Anullcell always fits. Each failing column yields onecell_kindfinding, in column order, whosepathpoints at the first bad cell (/rows/3/2) and whose message counts the bad cells and quotes the first.toolisnull; a caller may build a copy with it set.