def METHOD_NAME(peering_name: Optional[pulumi.Input[str]] = None,
                       resource_group_name: Optional[pulumi.Input[str]] = None,
                       opts: Optional[pulumi.InvokeOptions] = None) -> pulumi.Output[GetPeeringResult]:
    """
    Gets an existing peering with the specified name under the given subscription and resource group.
    :param str peering_name: The name of the peering.
    :param str resource_group_name: The name of the resource group.
    """
    ...