src/vs/editor/browser/controller/textAreaHandler.ts/TextAreaHandler/_getAriaLabel
class TextAreaHandler:	private _getAriaLabel(options: IComputedEditorOptions): string {
		const accessibilitySupport = options.get(EditorOption.accessibilitySupport);
		if (accessibilitySupport === AccessibilitySupport.Disabled) {
			return nls.localize('accessibilityOffAriaLabel', "The editor is not accessible at this time. Press {0} for options.", platform.isLinux ? 'Shift+Alt+F1' : 'Alt+F1');
		}
		return options.get(EditorOption.ariaLabel);
	}