import tensorflow as tf

class ContrastiveLearning:

    def __init__(self):
        pass
    
    @classmethod
    def to_contrastive_dataset(cls, dataset:tf.data.Dataset, size:int)->tf.data.Dataset:
        
        return None



import tensorflow as tf

class ContrastiveLearning:

    def __init__(self):
        pass
    
    @classmethod
    def to_contrastive_dataset(cls, dataset:tf.data.Dataset, size:int)->tf.data.Dataset:
        
        return None


