code: function getTabStripItemAccAttributes(oItem, oTabStrip, oSelectedItem) {
  
  		var aItems = oTabStrip.getItems(),
  			iIndex = aItems.indexOf(oItem),
  			oTabStripParent = oTabStrip.getParent(),
  			mAccAttributes = { role: "tab"},
  			sDescribedBy = InvisibleText.getStaticId("sap.m", "TABSTRIP_ITEM_CLOSABLE") + " ";
  
  		sDescribedBy += InvisibleText.getStaticId("sap.m", oItem.getModified() ? "TABSTRIP_ITEM_MODIFIED" : "TABSTRIP_ITEM_NOT_MODIFIED");
  		mAccAttributes["describedby"] = sDescribedBy;
  		mAccAttributes["posinset"] = iIndex + 1;
  		mAccAttributes["setsize"] = aItems.length;
  		mAccAttributes["labelledby"] = getTabTextDomId(oItem) + "-addText " + getTabTextDomId(oItem) + "-text";
  		if (oTabStripParent && oTabStripParent.getRenderer && oTabStripParent.getRenderer().getContentDomId) {
  			mAccAttributes["controls"] = oTabStripParent.getRenderer().getContentDomId(oTabStripParent);
  		}
  		if (oSelectedItem && oSelectedItem.getId() === oItem.getId()) {
  			mAccAttributes["selected"] = "true";
  		} else {
  			mAccAttributes["selected"] = "false";
  		}
  		return mAccAttributes;
  	}
docs: Returns the accessibility attributes for a given <code>TabStripItem</code>.
  
  @param {sap.m.TabStripItem} oItem The <code>TabStripItem</code> to prepare accessibility attributes for
  @param {sap.ui.core.Control} oTabStripParent The <code>TabStrip</code> parent control
  @param {sap.m.TabStripItem} oSelectedItem The <code>TabStripItem</code> that is currently selected
  @returns {Object} The accessibility attributes for given <code>TabStripItem</code>
  @private