code: public void setL(java.util.Collection<AttributeValue> l) {
          if (l == null) {
              this.l = null;
              return;
          }
  
          this.l = new java.util.ArrayList<AttributeValue>(l);
      }
docs: <p>
  An attribute of type List. For example:
  </p>
  <p>
  <code>"L": [ {"S": "Cookies"} , {"S": "Coffee"}, {"N", "3.14159"}]</code>
  </p>
  
  @param l
  An attribute of type List. For example:</p>
  <p>
  <code>"L": [ {"S": "Cookies"} , {"S": "Coffee"}, {"N", "3.14159"}]</code>