el/ValueBinding.html#isReadOnly-javax.faces.context.FacesContext-">isReadOnly</a></span>(<a href="../../../javax/faces/context/FacesContext.html" title="class in javax.faces.context">FacesContext</a>&nbsp;context)</code>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
<div class="block">Return <code>true</code> if the specified property of the specified
 property is known to be immutable; otherwise, return
 <code>false</code>.</div>
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