src/vs/workbench/contrib/welcomeOverlay/browser/welcomeOverlay.ts/HideWelcomeOverlayAction/constructor
class HideWelcomeOverlayAction:	constructor() {
		super({
			id: HideWelcomeOverlayAction.ID,
			title: HideWelcomeOverlayAction.LABEL,
			category: Categories.Help,
			f1: true,
			keybinding: {
				primary: KeyCode.Escape,
				when: OVERLAY_VISIBLE,
				weight: KeybindingWeight.WorkbenchContrib
			},
			precondition: OVERLAY_VISIBLE
		});
	}