class Names:
    ENV             = 'env'
    ENV_NAME = 'env_name'
    N_AGENTS = 'n_agents'
    ALGORITHM       = 'algorithm'
    MAX_STEPS       = 'max_steps'
    N_STEPS         = 'n_steps'
    TRAIN_RENDER    = 'train_render'
    EVAL_RENDER     = 'eval_render'
    AGENT = 'Agent'
    PILE_OBSERVABILITY = 'pile-observability'
    PILE_ORDER = 'pile-order'
    ALL = 'all'
    FIXED = 'fixed'
    AGENTS = 'agents'
    DYNAMIC = 'dynamic'
    SMART = 'smart'
    DIRT_PILES = 'DirtPiles'
    AUXILIARY_PILES = "auxiliary_piles"
    DOORS = 'Doors'
    DOOR = 'Door'
    GAMMA = 'gamma'
    ADVANTAGE = 'advantage'
    REINFORCE = 'reinforce'
    ADVANTAGE_AC = "Advantage-AC"
    TD_ADVANTAGE_AC = "TD-Advantage-AC"
    CHUNK_EPISODE = 'chunk-episode'
    POS_POINTER = 'pos_pointer'
    POSITIONS = 'positions'
    SAVE_AND_LOG = 'save_and_log'
    NOOP = 'Noop'
    USE_DOOR = 'use_door'
    PILE_ALL_DONE = 'pile_all_done'
    SINGLE = 'single'
    DISTRIBUTED = 'distributed'
    SHARED = 'shared'
    EARLY_STOPPING = 'early_stopping'
    TRAIN = 'train'
    SEED = 'seed'
    LAST_N_EPISODES = 'last_n_episodes'
    MEAN_TARGET_CHANGE = 'mean_target_change'
    WANDB_LOG = 'wandb_log'