if err = m.stab.Write(m.w); err != nil {
		return err
	}

	// Now emit blobs themselves.
	for k, blob := range blobs {
		if m.debug {
			fmt.Fprintf(os.Stderr, "=+= writing blob %d len %d at off=%d hash %s\n", k, len(blob), off2, fmt.Sprintf("%x", md5.Sum(blob)))
		}
		if _, err = m.w.Write(blob); err != nil {
			return fmt.Errorf("error writing %s: %v", m.mfname, err)
		}
		if m.debug {

# https://github.com/xeipuuv/gojsonpointer/blob/master/LICENSE-APACHE-2.0.txt
- github.com/xeipuuv/gojsonpointer
# https://github.com/xeipuuv/gojsonreference/blob/master/LICENSE-APACHE-2.0.txt
- github.com/xeipuuv/gojsonreference
# Apache 2.0: https://github.com/xeipuuv/gojsonschema/blob/master/LICENSE-APACHE-2.0.txt
- github.com/xeipuuv/gojsonschema

# Apache 2.0 (but missing appendix): https://github.com/garyburd/redigo/blob/master/LICENSE

            bufferIndex += 2;
            this.blob = new byte[blobLength];
        }
        return bufferIndex - start;
    }


    @Override
    protected int readBytesWireFormat ( byte[] buffer, int bufferIndex ) {
        int start = bufferIndex;

        if ( this.isExtendedSecurity() ) {
            System.arraycopy(buffer, bufferIndex, this.blob, 0, this.blob.length);
            bufferIndex += this.blob.length;

// a SuperBlob, which contains one or more Blobs. For ad-hoc
// signing, a single CodeDirectory Blob suffices.
//
// A SuperBlob starts with its header (the binary representation
// of the SuperBlob struct), followed by a list of (in our case,
// one) Blobs (offset and size). A CodeDirectory Blob starts
// with its head (the binary representation of CodeDirectory struct),

// analogous to the Python _RestoredResource object:
// https://github.com/tensorflow/tensorflow/blob/fda326e542ca67534e8411edb180e8760a4828b7/tensorflow/python/saved_model/load.py#L481
// TF2 resource objects typically extend TrackableResource:
// https://github.com/tensorflow/tensorflow/blob/fda326e542ca67534e8411edb180e8760a4828b7/tensorflow/python/training/tracking/tracking.py#L285

        return dstIndex - start;
    }
    int writeBytesWireFormat( byte[] dst, int dstIndex ) {
        int start = dstIndex;

        if (blob != null) {
            System.arraycopy(blob, 0, dst, dstIndex, blob.length );
            dstIndex += blob.length;
        } else {
            System.arraycopy( lmHash, 0, dst, dstIndex, lmHash.length );
            dstIndex += lmHash.length;

            bufferIndex += 2;
            blob = new byte[blobLength];
        }
        return bufferIndex - start;
    }
    int readBytesWireFormat( byte[] buffer, int bufferIndex ) {
        int start = bufferIndex;

        if (extendedSecurity) {
            System.arraycopy(buffer, bufferIndex, blob, 0, blob.length);
            bufferIndex += blob.length;
        }

    }


    @Override
    protected int writeBytesWireFormat ( byte[] dst, int dstIndex ) {
        int start = dstIndex;

        if ( this.blob != null ) {
            System.arraycopy(this.blob, 0, dst, dstIndex, this.blob.length);
            dstIndex += this.blob.length;
        }
        else {
            System.arraycopy(this.lmHash, 0, dst, dstIndex, this.lmHash.length);
            dstIndex += this.lmHash.length;

    local TO="${2}"

    if [ "${FROM}" != "${TO}" ]; then
        echo "Updating version for branch ${TO}..."
        # Update version string in docs.
        sed -i "s|blob/${FROM}|blob/${TO}|g" "${ROOT}"/ARCHITECTURE.md
        sed -i "s|blob/${FROM}|blob/${TO}|g" "${ROOT}"/README.md
        # Update tag for building profiles.

        bufferIndex += 4;

        int pad = bufferIndex - ( getHeaderStart() + securityBufferOffset );
        this.blob = new byte[securityBufferLength];
        System.arraycopy(buffer, getHeaderStart() + securityBufferOffset, this.blob, 0, securityBufferLength);
        bufferIndex += pad;
        bufferIndex += securityBufferLength;

        return bufferIndex - start;
    }