maxMemoryBytes := 2 * int64(10<<20)
		maxMemoryBytes -= int64(len(name))
		maxMemoryBytes -= mapEntryOverhead
		if maxMemoryBytes < 0 {
			// We can't actually take this path, since nextPart would already have
			// rejected the MIME headers for being too large. Check anyway.
			apiErr := errorCodes.ToAPIErr(ErrMalformedPOSTRequest)

        int len = this.length;

        if (this.next != null) {
            final int nextStart = dstIndex;
            dstIndex += this.next.encode(dst, dstIndex);
            final int off = nextStart - start;
            SMBUtil.writeInt4(off, dst, start + 20);
            len += dstIndex - nextStart;
        }

        if (this.digest != null) {