'Removes the ability of the specified AWS customer account to
restore the specified snapshot. If the account is currently
restoring the snapshot, the restore will run to completion.
For more information about working with snapshots, go to
`Amazon Redshift Snapshots`_ in the Amazon Redshift Management
Guide .
:type snapshot_identifier: string
:param snapshot_identifier: The identifier of the snapshot that the
account can no longer access.
:type snapshot_cluster_identifier: string
:param snapshot_cluster_identifier: The identifier of the cluster the
snapshot was created from. This parameter is required if your IAM
user has a policy containing a snapshot resource element that
specifies anything other than * for the cluster name.
:type account_with_restore_access: string
:param account_with_restore_access: The identifier of the AWS customer
account that can no longer restore the specified snapshot.'

def revoke_snapshot_access(self, snapshot_identifier, account_with_restore_access, snapshot_cluster_identifier=None):

    params = {'SnapshotIdentifier': snapshot_identifier, 'AccountWithRestoreAccess': account_with_restore_access}
    if (snapshot_cluster_identifier is not None):
        params['SnapshotClusterIdentifier'] = snapshot_cluster_identifier
    return self._make_request(action='RevokeSnapshotAccess', verb='POST', path='/', params=params)
