public DeleteFleetsResult withUnsuccessfulFleetDeletions(DeleteFleetErrorItem... unsuccessfulFleetDeletions) {
        if (this.unsuccessfulFleetDeletions == null) {
            setUnsuccessfulFleetDeletions(new com.amazonaws.internal.SdkInternalList<DeleteFleetErrorItem>(unsuccessfulFleetDeletions.length));
        }
        for (DeleteFleetErrorItem ele : unsuccessfulFleetDeletions) {
            this.unsuccessfulFleetDeletions.add(ele);
        }
        return this;
    }
<p>
Information about the EC2 Fleets that are not successfully deleted.
</p>
<p>
<b>NOTE:</b> This method appends the values to the existing list (if any). Use
{@link #setUnsuccessfulFleetDeletions(java.util.Collection)} or
{@link #withUnsuccessfulFleetDeletions(java.util.Collection)} if you want to override the existing values.
</p>

@param unsuccessfulFleetDeletions
       Information about the EC2 Fleets that are not successfully deleted.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-ec2/src/main/java/com/amazonaws/services/ec2/model/DeleteFleetsResult.java