src/vs/base/browser/ui/grid/gridview.ts/GridView/setViewVisible
class GridView:	setViewVisible(location: number[], visible: boolean): void {
		const [rest, index] = tail(location);
		const [, parent] = this.getNode(rest);

		if (!(parent instanceof BranchNode)) {
			throw new Error('Invalid from location');
		}

		parent.setChildVisible(index, visible);
	}