src/vs/workbench/contrib/terminal/browser/terminalGroup.ts/SplitPaneContainer/_createSplitView
class SplitPaneContainer:	private _createSplitView(): void {
		this._splitView = new SplitView(this._container, { orientation: this.orientation });
		this._splitViewDisposables.clear();
		this._splitViewDisposables.add(this._splitView.onDidSashReset(() => this._splitView.distributeViewSizes()));
	}