avior for Jakarta
 Expression Language expression evaluation.

 <p>
 While evaluating an expression, the <code>ELResolver</code> associated with the <a href="ELContext.html" title="class in jakarta.el"><code>ELContext</code></a> is consulted to do
 the initial resolution of the first variable of an expression. It is also consulted when a <code>.</code> or
 <code>[]</code> operator is encountered.

 <p>
 For example, in the Jakarta Expression Language expression <code>${employee.lastName}</code>, the
 <code>