pub fn discover_common_api_versions_set(
client_versions: &SupportedApiVersionsSummary,
peer_versions: &BTreeMap<PeerId, SupportedApiVersionsSummary>,
) -> Result<ApiVersionSet>
pub fn discover_common_api_versions_set(
client_versions: &SupportedApiVersionsSummary,
peer_versions: &BTreeMap<PeerId, SupportedApiVersionsSummary>,
) -> Result<ApiVersionSet>