## Classes [`class CosineDecay`](https://www.tensorflow.org/versions/r2.15/api_docs/python/tf/keras/optimizers/schedules/CosineDecay): A LearningRateSchedule that uses a cosine decay with optional warmup. [`class CosineDecayRestarts`](https://www.tensorflow.org/versions/r2.15/api_docs/python/tf/keras/optimizers/schedules/CosineDecayRestarts): A LearningRateSchedule that uses a cosine decay schedule with restarts. [`class LinearModel`](https://www.tensorflow.org/versions/r2.15/api_docs/python/tf/keras/experimental/LinearModel): Linear Model for regression and classification problems. [`class SequenceFeatures`](https://www.tensorflow.org/versions/r2.15/api_docs/python/tf/keras/experimental/SequenceFeatures): A layer for sequence input. [`class SidecarEvaluator`](https://www.tensorflow.org/versions/r2.15/api_docs/python/tf/keras/experimental/SidecarEvaluator): Deprecated. Please use [`tf.keras.utils.SidecarEvaluator`](https://www.tensorflow.org/versions/r2.15/api_docs/python/tf/keras/utils/SidecarEvaluator) instead. [`class WideDeepModel`](https://www.tensorflow.org/versions/r2.15/api_docs/python/tf/keras/experimental/WideDeepModel): Wide \& Deep Model for regression and classification problems.