public ValidDBInstanceModificationsMessage withStorage(ValidStorageOptions... storage) {
        if (this.storage == null) {
            setStorage(new java.util.ArrayList<ValidStorageOptions>(storage.length));
        }
        for (ValidStorageOptions ele : storage) {
            this.storage.add(ele);
        }
        return this;
    }
<p>
Valid storage options for your DB instance.
</p>
<p>
<b>NOTE:</b> This method appends the values to the existing list (if any). Use
{@link #setStorage(java.util.Collection)} or {@link #withStorage(java.util.Collection)} if you want to override
the existing values.
</p>

@param storage
       Valid storage options for your DB instance.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-neptune/src/main/java/com/amazonaws/services/neptune/model/ValidDBInstanceModificationsMessage.java