public string BuildReleaseNotes(IEnumerable<GitHubIssue> validIssues, IEnumerable<GitHubIssue> invalidIssues) { issueCounter = 0; _markupStringBuilder.Clear(); BuildWarningSection(invalidIssues); BuildIssuesKind(new EnhancementsBuilder(validIssues)); BuildIssuesKind(new BugfixesBuilder(validIssues)); return _markupStringBuilder.ToString(); }