get _tooltip() {
      return this.title || this.text;
    }
@class

<h3 class="comment-api-title">Overview</h3>

The <code>ui5-side-navigation-item</code> is used within <code>ui5-side-navigation</code> only.
Via the <code>ui5-side-navigation-item</code> you control the content of the <code>SideNavigation</code>.

<h3>ES6 Module Import</h3>

<code>import "@ui5/webcomponents-fiori/dist/SideNavigationItem.js";</code>

@constructor
@author SAP SE
@alias sap.ui.webc.fiori.SideNavigationItem
@extends sap.ui.webc.base.UI5Element
@abstract
@tagname ui5-side-navigation-item
@public
@implements sap.ui.webc.fiori.ISideNavigationItem
@since 1.0.0-rc.8