public String getOutpostIdentifierFilter() {
        return this.outpostIdentifierFilter;
    }
<p>
The ID or the Amazon Resource Name (ARN) of the Outpost.
</p>

@return The ID or the Amazon Resource Name (ARN) of the Outpost.
aws-java-sdk-outposts/src/main/java/com/amazonaws/services/outposts/model/ListOrdersRequest.java