question: converts a byte array to a long value . reverses #tobytes long concode_field_sep byte[] EMPTY_BYTE_ARRAY concode_elem_sep Ordering<byte[]> BYTES_COMPARATOR concode_elem_sep int SIZEOF_LONG concode_elem_sep Cache<String,byte[]> cache concode_elem_sep Function<byte[],String> BYTES_TO_HEX_STRING concode_field_sep byte[] head concode_elem_sep byte[] toCachedBytes concode_elem_sep byte[] decodeBase64 concode_elem_sep String apply concode_elem_sep byte[] tail concode_elem_sep byte[] toBytes concode_elem_sep byte[] toBytes concode_elem_sep String toString concode_elem_sep String toString concode_elem_sep int compareTo concode_elem_sep String encodeHexString concode_elem_sep String encodeBase64String concode_elem_sep String encodeBase64String concode_elem_sep void addIfNotEmpty concode_elem_sep boolean startsWith
target: long function ( byte [ ] arg0 ) { return Longs . fromByteArray ( arg0 ) ; }