public void setKeyMarker(String keyMarker) {
        this.keyMarker = keyMarker;
    }
For internal use only. Sets the key marker parameter
originally used to request this version listing.

@param keyMarker
           The key marker parameter originally used to request this
           version listing.
aws-java-sdk-s3/src/main/java/com/amazonaws/services/s3/model/VersionListing.java