er rubyid_each'>each</span> <span class='kw'>do</span> <span class='op'>|</span><span class='id identifier rubyid_metadata'>metadata</span><span class='op'>|</span>
    <span class='id identifier rubyid_decoded_string'>decoded_string</span> <span class='op'>=</span> <span class='const'>Base64</span><span class='period'>.</span><span class='id identifier rubyid_decode64'>decode64</span><span class='lparen'>(</span><span class='id identifier rubyid_metadata'>metadata</span><span class='period'>.</span><span c