Creates document object without really creating it in the collection.

            :param collection Collection instance

            :returns Document

def create(cls, collection):
        """
            Creates document object without really creating it in the collection.

            :param collection Collection instance

            :returns Document
        """

        api = Client.instance().api

        doc = Document(
            id='',
            key='',
            collection=collection.name,
            api=api,
        )

        return doc