$type: GridSizer
name:

width:
height:
column:
row:
columnProportions:
rowProportions:
space:
    left:
    right:
    top:
    bottom:
    column:
    row:
    indentLeftOdd:
    indentLeftEven:
    indentTopOdd:
    indentTopEven:

draggable:

# Relace child data by game objct
background:
    - $child:
        $type:
        # ...  
      padding:
          left:
          right:
          top:
          bottom:
children:
    - $child:
        $type:
        # ...  
      column:
      row:
      align:
      padding:
          left:
          right:
          top:
          bottom:
      expand:
      key:

# Optional
createCellContainerCallback:
    child:
        $type:
        # ...
    column:
    row:
    align:
    padding:
        left:
        right:
        top:
        bottom:
    expand:
    key: