sContext</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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<tr id="i4" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../com/sun/faces/facelets/el/LegacyValueBinding.html#readExternal-ja