/**
  * Sets the value of the Attribute property for this object.
  *
  * <p>Returns a reference to this object so that method calls can be chained together.
  *
  * <p><b>Constraints:</b><br>
  * <b>Allowed Values: </b>autoEnableIO, productCodes
  *
  * @param attribute The new value for the Attribute property for this object.
  * @return A reference to this updated object so that method calls can be chained together.
  * @see VolumeAttributeName
  */
 public DescribeVolumeAttributeRequest withAttribute(VolumeAttributeName attribute) {
   this.attribute = attribute.toString();
   return this;
 }
 /**
  * Sets the value of the Attribute property for this object.
  *
  * <p><b>Constraints:</b><br>
  * <b>Allowed Values: </b>autoEnableIO, productCodes
  *
  * @param attribute The new value for the Attribute property for this object.
  * @see VolumeAttributeName
  */
 public void setAttribute(VolumeAttributeName attribute) {
   this.attribute = attribute.toString();
 }