Collects information about the children of a Table when
its body is executed with a TableChildren as argument.
Adds a decoration which will be placed either above or below the content of the Table.
This can be either a component, such as Layout or SizedRectangle, or a Draw composable.
Note that decorations are measured with tight constraints to fill the size of the Table,
and the offsets of each row and column of the Table are available inside the body of this.
||Whether the decoration is placed above (true) or below (false) the content.
fun tableRow(children: () -> Unit): Unit
Creates a new row in the Table with the specified content.