Interface TreemapParentLabelLayout

A top-level category's label: over its tiles' top-left corner, or on a banner above them.

interface TreemapParentLabelLayout {
    banner?: {
        fill: IFill.JSON | null;
        rect: Bounds;
        stroke: IStroke.JSON | null;
    };
    label: TextLayout;
    name: string;
}