Function staging_xcm_builder::ensure_is_remote

pub fn ensure_is_remote(
    universal_local: impl Into<InteriorLocation>,
    dest: impl Into<Location>,
) -> Result<(NetworkId, InteriorLocation), Location>

Returns the network ID and consensus location within that network of the remote location dest which is itself specified as a location relative to the local chain, itself situated at universal_local within the consensus universe. If dest is not a location in remote consensus, then an error is returned.