How to use the gcsfs.core.GCSFile function in gcsfs

acl=None,
        consistency=None,
        metadata=None,
        autocommit=True,
        **kwargs,
    ):
        """
        See ``GCSFile``.

        consistency: None or str
            If None, use default for this instance
        """
        if block_size is None:
            block_size = self.default_block_size
        const = consistency or self.consistency
        return GCSFile(
            self,
            path,
            mode,
            block_size,
            cache_options=cache_options,
            consistency=const,
            metadata=metadata,
            acl=acl,
            autocommit=autocommit,
            **kwargs,
        )

def _open(self, path, mode='rb', block_size=None, acl=None,
              consistency=None, metadata=None, autocommit=True, **kwargs):
        """
        See ``GCSFile``.

        consistency: None or str
            If None, use default for this instance
        """
        if block_size is None:
            block_size = self.default_block_size
        const = consistency or self.consistency
        return GCSFile(self, path, mode, block_size, consistency=const,
                       metadata=metadata, acl=acl, autocommit=autocommit)