def __init__(self, step=None, snapshot=None):
        """
        Initialize a DocumentSnapshot object.

        :param str step: (optional) The step in the document conversion process that the
        snapshot object represents.
        :param dict snapshot: (optional) Snapshot of the conversion.
        """
        self.step = step
        self.snapshot = snapshot
def __init__ ( self , step = None , snapshot = None ) : self . step = step self . snapshot = snapshot
Initialize a DocumentSnapshot object.

        :param str step: (optional) The step in the document conversion process that the
        snapshot object represents.
        :param dict snapshot: (optional) Snapshot of the conversion.