velocity-engine-core/src/main/java/org/apache/velocity/runtime/parser/node/ASTMap.java [96:110]:
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    @Override
    public Object init(InternalContextAdapter context, Object data) throws TemplateInitException
    {
    	Object obj = super.init(context, data);
    	cleanupParserAndTokens(); // drop reference to Parser and all JavaCC Tokens
    	return obj;
    }

    /**
     * @see org.apache.velocity.runtime.parser.node.SimpleNode#evaluate(org.apache.velocity.context.InternalContextAdapter)
     */
    @Override
    public boolean evaluate(InternalContextAdapter context)
    {
        return !rsvc.getBoolean(RuntimeConstants.CHECK_EMPTY_OBJECTS, true) || children != null && children.length > 0;
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velocity-engine-core/src/main/java/org/apache/velocity/runtime/parser/node/ASTObjectArray.java [87:101]:
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    @Override
    public Object init(InternalContextAdapter context, Object data) throws TemplateInitException
    {
    	Object obj = super.init(context, data);
    	cleanupParserAndTokens(); // drop reference to Parser and all JavaCC Tokens
    	return obj;
    }

    /**
     * @see org.apache.velocity.runtime.parser.node.SimpleNode#evaluate(org.apache.velocity.context.InternalContextAdapter)
     */
    @Override
    public boolean evaluate(InternalContextAdapter context)
    {
        return !rsvc.getBoolean(RuntimeConstants.CHECK_EMPTY_OBJECTS, true) || children != null && children.length > 0;
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