Class Divider

function buildCard() {   const cardSection1TextParagraph1 =       CardService.newTextParagraph().setText('Hello world!');    const cardSection1Divider1 = CardService.newDivider();    const cardSection1TextParagraph2 =       CardService.newTextParagraph().setText('Hello world!');    const cardSection1 = CardService.newCardSection()                            .addWidget(cardSection1TextParagraph1)                            .addWidget(cardSection1Divider1)                            .addWidget(cardSection1TextParagraph2);    const card = CardService.newCardBuilder().addSection(cardSection1).build();    return card; }