SYMBOL INDEX (17 symbols across 3 files)

FILE: data.py
  class IndexingTrainDataset (line 8) | class IndexingTrainDataset(Dataset):
    method __init__ (line 9) | def __init__(
    method __len__ (line 28) | def __len__(self):
    method __getitem__ (line 31) | def __getitem__(self, item):
  class IndexingCollator (line 42) | class IndexingCollator(DataCollatorWithPadding):
    method __call__ (line 43) | def __call__(self, features):
  class QueryEvalCollator (line 59) | class QueryEvalCollator(DataCollatorWithPadding):
    method __call__ (line 60) | def __call__(self, features):

FILE: train.py
  class QueryEvalCallback (line 11) | class QueryEvalCallback(TrainerCallback):
    method __init__ (line 12) | def __init__(self, test_dataset, logger, restrict_decode_vocab, args: ...
    method on_epoch_end (line 30) | def on_epoch_end(self, args, state, control, **kwargs):
  function compute_metrics (line 55) | def compute_metrics(eval_preds):
  function main (line 69) | def main():

FILE: trainer.py
  class IndexingTrainer (line 7) | class IndexingTrainer(Trainer):
    method __init__ (line 8) | def __init__(self, restrict_decode_vocab, **kwds):
    method compute_loss (line 12) | def compute_loss(self, model, inputs, return_outputs=False):
    method prediction_step (line 18) | def prediction_step(