def count_issue(condition)
      raise Backlog::API::ArgumentError, "must specify 'projectId'" unless condition.has_key? "projectId"
      condition = Backlog::Object::FindCondition.new(condition)
      self.call("backlog.countIssue", condition.to_h)
    end
def count_issue(condition)
      raise Backlog::API::ArgumentError, "must specify 'projectId'" unless condition.has_key? "projectId"
      condition = Backlog::Object::FindCondition.new(condition)
      self.call("backlog.countIssue", condition.to_h)
    end
Hash -> Integer