def __kv_map_to_bytes(kv_map):
ctx = BytesSerializationContext()
# Sorting the map elements to create chunks deterministically, but this is not mandatory for importing the chunk
for key, value in sorted(kv_map.items()):
ctx.write_varuint(len(key))
ctx.write_bytes(key)
ctx.write_varuint(len(value))
ctx.write_bytes(value)
return ctx.getbytes()
