def METHOD_NAME(self, other: SkupperSite) -> bool:
    """Return True if the involved skupper site clusters are peered."""
    if not self.cluster.peering:
        return False
    for c in self.cluster.peering.connections:
        if (
            isinstance(
                c,
                (
                    ClusterPeeringConnectionClusterRequesterV1,
                    ClusterPeeringConnectionClusterAccepterV1,
                ),
            )
        ) and c.cluster.name == other.cluster.name:
            return True
    return False