public ListPartsRequest withPartNumberMarker(Integer partNumberMarker) {
        this.partNumberMarker = partNumberMarker;
        return this;
    }
Sets the optional part number marker indicating where in the results to
being listing parts, and returns this updated ListPartsRequest object so
that additional method calls can be chained together.

@param partNumberMarker
           The optional part number marker indicating where in the
           results to being listing parts.

@return This updated ListPartsRequest object.
aws-java-sdk-s3/src/main/java/com/amazonaws/services/s3/model/ListPartsRequest.java