diff -r 7303812a4424 -r 1ca4f27cefe8 src/main/kotlin/de/uapcore/lightpit/dao/DataAccessObject.kt
--- a/src/main/kotlin/de/uapcore/lightpit/dao/DataAccessObject.kt	Sat Nov 27 11:04:23 2021 +0100
+++ b/src/main/kotlin/de/uapcore/lightpit/dao/DataAccessObject.kt	Sat Nov 27 12:12:20 2021 +0100
@@ -86,4 +86,9 @@
      * Lists the issue history of the project with [projectId] for the past [days].
      */
     fun listIssueHistory(projectId: Int, days: Int): List<IssueHistoryEntry>
+
+    /**
+     * Lists the issue comment history of the project with [projectId] for the past [days].
+     */
+    fun listIssueCommentHistory(projectId: Int, days: Int): List<IssueCommentHistoryEntry>
 }