def delete_size_constraint_set(SizeConstraintSetId=None, ChangeToken=None):
    """
    Permanently deletes a  SizeConstraintSet . You can't delete a SizeConstraintSet if it's still used in any Rules or if it still includes any  SizeConstraint objects (any filters).
    If you just want to remove a SizeConstraintSet from a Rule , use  UpdateRule .
    To permanently delete a SizeConstraintSet , perform the following steps:
    See also: AWS API Documentation
    
    Examples
    The following example deletes a size constraint set  with the ID example1ds3t-46da-4fdb-b8d5-abc321j569j5.
    Expected Output:
    
    :example: response = client.delete_size_constraint_set(
        SizeConstraintSetId='string',
        ChangeToken='string'
    )
    
    
    :type SizeConstraintSetId: string
    :param SizeConstraintSetId: [REQUIRED]
            The SizeConstraintSetId of the SizeConstraintSet that you want to delete. SizeConstraintSetId is returned by CreateSizeConstraintSet and by ListSizeConstraintSets .
            

    :type ChangeToken: string
    :param ChangeToken: [REQUIRED]
            The value returned by the most recent call to GetChangeToken .
            

    :rtype: dict
    :return: {
        'ChangeToken': 'string'
    }
    
    
    :returns: 
    SizeConstraintSetId (string) -- [REQUIRED]
    The SizeConstraintSetId of the  SizeConstraintSet that you want to delete. SizeConstraintSetId is returned by  CreateSizeConstraintSet and by  ListSizeConstraintSets .
    
    ChangeToken (string) -- [REQUIRED]
    The value returned by the most recent call to  GetChangeToken .
    
    
    """
    pass
