openProtocolInformation

    pub fn openProtocolInformation(
        self: *const BootServices,
        handle: Handle,
        Protocol: type,
    ) OpenProtocolInformationError!?[]ProtocolInformationEntry {
        var entries: [*]ProtocolInformationEntry = undefined;
        var len: usize = undefined;

        switch (self._openProtocolInformation(
            handle,
            &Protocol.guid,
            &entries,
            &len,
        )) {
            .success => return entries[0..len],
            .not_found => return null,
            .out_of_resources => return error.OutOfResources,
            else => |status| return uefi.unexpectedStatus(status),
        }
    }