src/transformers/models/time_series_transformer/modeling_time_series_transformer.py/TimeSeriesValueEmbedding/__init__
class TimeSeriesValueEmbedding:    def __init__(self, feature_size, d_model):
        super().__init__()
        self.value_projection = nn.Linear(in_features=feature_size, out_features=d_model, bias=False)