// if (oldValue !== value)
MemberExpressionNode oldValueMemberExpression =
AbstractSyntaxTreeUtil.generateGetterSelector(nodeFactory, OLD_VALUE, false);
MemberExpressionNode valueMemberExpression =
AbstractSyntaxTreeUtil.generateGetterSelector(nodeFactory, VALUE, false);
BinaryExpressionNode binaryExpression = nodeFactory.binaryExpression(Tokens.STRICTNOTEQUALS_TOKEN,
oldValueMemberExpression,
valueMemberExpression);
return nodeFactory.list(null, binaryExpression);
}