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      <a href="#to_s-instance_method" title="#to_s (instance method)">#<strong>to_s</strong>  &#x21d2; String </a>
    

    
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    <span class="summary_desc"><div class='inline'>
<p>Returns the string representation of the object.</p>
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      <a href="#valid%3F-instance_method" title="#valid? (instance method)">#<strong>valid?</strong>  &#x21