src/vs/workbench/contrib/terminal/browser/terminalTabsList.ts/TerminalTabsRenderer/fillActionBar
class TerminalTabsRenderer:	fillActionBar(instance: ITerminalInstance, template: ITerminalTabEntryTemplate): void {
		// If the instance is within the selection, split all selected
		const actions = [
			new Action(TerminalCommandId.SplitInstance, terminalStrings.split.short, ThemeIcon.asClassName(Codicon.splitHorizontal), true, async () => {
				this._runForSelectionOrInstance(instance, e => this._terminalService.splitInstance(e));
			}),
			new Action(TerminalCommandId.KillInstance, terminalStrings.kill.short, ThemeIcon.asClassName(Codicon.trashcan), true, async () => {
				this._runForSelectionOrInstance(instance, e => e.dispose());
			})
		];
		// TODO: Cache these in a way that will use the correct instance
		template.actionBar.clear();
		for (const action of actions) {
			template.actionBar.push(action, { icon: true, label: false, keybinding: this._keybindingService.lookupKeybinding(action.id)?.getLabel() });
		}
	}