class Selectors(object):
    UNIFORM = "uniform"
    UCB1 = "ucb1"
    BEST_K = "bestk"
    BEST_K_VEL = "bestkvel"
    PURE_BEST_K_VEL = "purebestkvel"
    RECENT_K = "recentk"
    RECENT_K_VEL = "recentkvel"
    HIER_ALG = "hieralg"
