src/vs/workbench/browser/part.ts/Part/create
class Part:	create(parent: HTMLElement, options?: object): void {
		this.parent = parent;
		this.titleArea = this.createTitleArea(parent, options);
		this.contentArea = this.createContentArea(parent, options);

		this.partLayout = new PartLayout(this.options, this.contentArea);

		this.updateStyles();
	}