src/vs/workbench/browser/parts/panel/panelPart.ts/BasePanelPart/createTitleLabel
class BasePanelPart:	protected override createTitleLabel(parent: HTMLElement): ICompositeTitleLabel {
		const titleArea = this.compositeBar.create(parent);
		titleArea.classList.add('panel-switcher-container');

		return {
			updateTitle: (id, title, keybinding) => {
				const action = this.compositeBar.getAction(id);
				if (action) {
					action.label = title;
				}
			},
			updateStyles: () => {
				// Handled via theming participant
			}
		};
	}