code: function addToAttributeList(sAttribute, sValue, bPrepend) {
  		var sAttributes = this.attr(sAttribute);
  		if (!sAttributes) {
  			return this.attr(sAttribute, sValue);
  		}
  
  		var aAttributes = sAttributes.split(" ");
  		if (aAttributes.indexOf(sValue) == -1) {
  			bPrepend ? aAttributes.unshift(sValue) : aAttributes.push(sValue);
  			this.attr(sAttribute, aAttributes.join(" "));
  		}
  
  		return this;
  	}
docs: This module provides the following API:
  <ul>
  <li>{@link jQuery#addAriaLabelledBy}</li>
  <li>{@link jQuery#removeAriaLabelledBy}</li>
  <li>{@link jQuery#addAriaDescribedBy}</li>
  <li>{@link jQuery#removeAriaDescribedBy}</li>
  </ul>
  
  @namespace
  @name module:sap/ui/dom/jquery/Aria
  @public
  @since 1.58
   
  Adds space separated value to the given attribute.
  
  This method ignores when the value is already available for the given attribute.
  
  @this {jQuery} jQuery context
  @param {string} sAttribute The name of the attribute.
  @param {string} sValue The value of the attribute to be inserted.
  @param {string} [bPrepend=false] Whether prepend or not
  @return {jQuery} <code>this</code> to allow method chaining.
  @author SAP SE
  @function
  @private