private byte[] unmarshalUuid(byte[] data, byte[] dest, int count) {
        System.arraycopy(data, this.getCurrentPlace(), dest, 0, count);
        this.setCurrentPlace(this.getCurrentPlace() + count);
        this.setDataRemained(this.getDataRemained() - count);
        return dest;
    }
Copies X bytes of source byte[] to the dest byte[]

@param data
@param dest
@param count
@return
tika-parsers/tika-parsers-standard/tika-parsers-standard-modules/tika-parser-microsoft-module/src/main/java/org/apache/tika/parser/microsoft/chm/ChmItsfHeader.java