MAX_THREADS = 3
DELAY = 0.25 # in seconds
DEFAULT_THREADS = 1
RETRIES = 5
EXP_WAIT_MULTIPLIER = 1
EXP_WAIT_MAX = 16
EXP_WAIT_MIN = 0.5 
VALID_FILENAME_OPTIONS = {
    "RKEY",
    "HANDLE",
    "DID",
    "TEXT",
    "DISPLAY_NAME"
}