private initContent() {
 const width = this.layout.getProp("content.width") as string;
 this.layout.setCSSClass(
 "contentContainer",
 width === "fluid" ? "container-fluid" : "container-xxl"
 );
 }

 private initToolbar() {
 const display = this.layout.getProp("toolbar.display") as boolean;
 if (!display) {
 return;
 }

 document.body.classList.add("toolbar-enabled");
 const widthClass = this.layout.getProp("toolbar.width") as string;
 this.layout.setCSSClass(
 "toolbarContainer",
 widthClass === "fluid" ? "container-fluid" : "container-xxl"
 );
...}

private initFooter() {
 const width = this.layout.getProp("footer.width") as string;
 this.layout.setCSSClass(
 "footerContainer",
 width === "fluid" ? "container-fluid" : "container-xxl"
 );
 }