src/vs/workbench/contrib/terminal/browser/terminalService.ts/TerminalService/focusActiveInstance
class TerminalService:	async focusActiveInstance(): Promise<void> {
		if (!this._activeInstance) {
			return;
		}
		if (this._activeInstance.target === TerminalLocation.Editor) {
			return this._terminalEditorService.focusActiveInstance();
		}
		return this._terminalGroupService.focusActiveInstance();
	}