using Backlog4net;
using Backlog4net.Api
using Backlog4net.Api.Option
using Backlog4net.Conf

async Task Main()
{
    var conf = new BacklogJpConfigure("space_key");
    conf.ApiKey = "api_key";
    var backlogClient = new BacklogClientFactory(conf).NewClient();
    var issue = await backlogClient.CreateIssueAsync(
        new CreateIssueParams(12345, "issue-title", 1111, IssuePriorityType.Normal)
        {
            Description = "issue-description",
        });
}