Revokes ingress from a cache security group. Use this operation to disallow access from an Amazon EC2 security group that had been previously authorized.
/// The specified Amazon EC2 security group is not authorized for the specified cache
/// security group.
///
/// The requested cache security group name does not refer to an existing cache security
/// group.
///
/// The current state of the cache security group does not allow deletion.
///
/// Two or more incompatible parameters were specified.
///
/// The value for a parameter is invalid.
///
