public KijiTableLayout updateTableLayout(String tableName, TableLayoutDesc layoutUpdate)
throws IOException {
// Normalize the new layout to use schema UIDs:
final TableLayoutBuilder layoutBuilder = new TableLayoutBuilder(mSchemaTable);
final TableLayoutDesc update = layoutBuilder.normalizeTableLayoutDesc(
layoutUpdate,
new LayoutOptions()
.setSchemaFormat(SchemaFormat.UID));
// Fetch all the layout history: