From 163559547ca475b04678593840233ab4429ff3a7 Mon Sep 17 00:00:00 2001
From: Wagyourtail <wagyourtail@wagyourtail.xyz>
Date: Mon, 8 Jul 2024 10:40:26 -0500
Subject: [PATCH] add explanation

---
 src/main/java/xyz/wagyourtail/jvmdg/cli/Flags.java | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/main/java/xyz/wagyourtail/jvmdg/cli/Flags.java b/src/main/java/xyz/wagyourtail/jvmdg/cli/Flags.java
index 6df7431a..8997bb6c 100644
--- a/src/main/java/xyz/wagyourtail/jvmdg/cli/Flags.java
+++ b/src/main/java/xyz/wagyourtail/jvmdg/cli/Flags.java
@@ -193,6 +193,9 @@ public File findJavaApi() {
     }
 
     public boolean checkInIgnoreWarnings(String className) {
+        // find the entry that is <= the className, because a treeSet is sorted, this is either className,
+        // a prefix of classname, a random other string that is less than className, ie. "aaa" < "bbb", or null if there
+        // is no entries that are <= className in the map
         Map.Entry<String, Flags.WildcardType> entry = ignoreWarningsIn.floorEntry(className);
         if (entry != null && className.startsWith(entry.getKey())) {
             switch (entry.getValue()) {