public DescribeSourceNetworksRequestFilters withOriginRegion(String originRegion) {
        setOriginRegion(originRegion);
        return this;
    }
<p>
Filter Source Networks by the region containing the protected VPCs.
</p>

@param originRegion
       Filter Source Networks by the region containing the protected VPCs.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-drs/src/main/java/com/amazonaws/services/drs/model/DescribeSourceNetworksRequestFilters.java