NineSlice: left: number
The width of the 9-slice's left column.
right: number
The width of the 9-slice's right column.
top: number
The height of the 9-slice's top row.
bottom: number
The height of the 9-slice's bottom row.
left: number
The width of the 9-slice's left column.
right: number
The width of the 9-slice's right column.
top: number
The height of the 9-slice's top row.
bottom: number
The height of the 9-slice's bottom row.