function _observeChanges(oChanges) {

		if (oChanges.name === "ariaAttributes") {
			// set aria-activedescendant directly to prevent anouncement of old one
			if (oChanges.current.aria?.activedescendant !== oChanges.old.aria?.activedescendant) {
				const oDomRef = this.getFocusDomRef();
				if (!oChanges.current.aria?.activedescendant) {
					oDomRef.removeAttribute("aria-activedescendant");
				} else {
					oDomRef.setAttribute("aria-activedescendant", oChanges.current.aria.activedescendant);
				}
			}
		}

	}
Sets the ARIA attributes added to the <code>Input</code> control.

The object contains ARIA attributes in an <code>aria</code> node.
Additional attributes, such as <code>role</code>, <code>autocomplete</code> or <code>valueHelpEnabled</code>, are added on root level.