OptionalcolumnThe initial column count for the layout.
The default is 1.
OptionalcolumnThe spacing between columns in the layout.
The default is 4.
OptionalfitThe fit policy for the layout.
The default is 'set-min-size'.
OptionalrowThe initial row count for the layout.
The default is 1.
OptionalrowThe spacing between rows in the layout.
The default is 4.
An options object for initializing a grid layout.