velocity-engine-core/src/main/java/org/apache/velocity/runtime/parser/node/ASTAndNode.java [78:99]:
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        throws MethodInvocationException
    {
        return evaluate(context) ? Boolean.TRUE : Boolean.FALSE;
    }

    /**
     * logical and :
     * <pre>
     *   null &amp;&amp; right = false
     *   left &amp;&amp; null = false
     *   null &amp;&amp; null = false
     * </pre>
     * @param context
     * @return True if both sides are true.
     * @throws MethodInvocationException
     */
    @Override
    public boolean evaluate(InternalContextAdapter context)
        throws MethodInvocationException
    {
        Node left = jjtGetChild(0);
        Node right = jjtGetChild(1);
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velocity-engine-core/src/main/java/org/apache/velocity/runtime/parser/node/ASTOrNode.java [78:100]:
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        throws MethodInvocationException
    {
        return evaluate(context) ? Boolean.TRUE : Boolean.FALSE;
    }

    /**
     *  the logical or :
     *    <pre>
     *      left || null -&gt; left
     *      null || right -&gt; right
     *      null || null -&gt; false
     *      left || right -&gt;  left || right
     *    </pre>
     * @param context
     * @return The evaluation result.
     * @throws MethodInvocationException
     */
    @Override
    public boolean evaluate(InternalContextAdapter context)
        throws MethodInvocationException
    {
        Node left = jjtGetChild(0);
        Node right = jjtGetChild(1);
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