Resolve a dictionary ID (from a received flags byte, masked with & 0x3F) to its dictionary bytes.
& 0x3F
DICT_ID_NON_AIRCRAFT or DICT_ID_AIRCRAFT.
The matching dictionary buffer, or null for any unknown ID (including DICT_ID_UNCOMPRESSED, which has no dictionary).
null
Resolve a dictionary ID (from a received flags byte, masked with
& 0x3F) to its dictionary bytes.