Some more javadoc

pandalib-core/src/main/java/fr/pandacube/lib/core/backup/BackupManager.java

@@ -66,7 +66,10 @@ public class BackupManager extends TimerTask {
         return backupDirectory;
     }
 
-
+    /**
+     * Tells if a backup is currently running.
+     * @return true if a backup is running, false otherwise.
+     */
     public synchronized boolean isBackupRunning() {
         return runningBackup.get() != null;
     }
@@ -93,6 +96,7 @@ public class BackupManager extends TimerTask {
      * Disables this backup manager, canceling scheduled backups.
      * It will wait for a currently running backup to finish before returning.
      */
+    @SuppressWarnings("BusyWait")
     public synchronized void onDisable() {
 
         schedulerTimer.cancel();

pandalib-core/src/main/java/fr/pandacube/lib/core/mc_version/MinecraftVersionList.java

@@ -5,14 +5,27 @@ import java.util.List;
 import java.util.Map;
 import java.util.TreeMap;
 
+/**
+ * Record holding the data for {@link ProtocolVersion}, to facilitate serializing and deserializing.
+ * @param protocolOfVersion mapping from a version string to the corresponding protocol version number.
+ * @param versionsOfProtocol mapping from a protocol version number to a list of the supported MC versions.
+ */
 public record MinecraftVersionList(
         Map<String, Integer> protocolOfVersion,
         Map<Integer, List<String>> versionsOfProtocol
 ) {
+    /**
+     * Creates an empty {@link MinecraftVersionList}.
+     */
     public MinecraftVersionList() {
         this(new TreeMap<>(MinecraftVersionUtil::compareVersions), new TreeMap<>());
     }
 
+    /**
+     * Adds a new pair of version string and protocol version number.
+     * @param versionId the version string (e.g. "1.19.4").
+     * @param protocolVersion the protocol version number.
+     */
     public void add(String versionId, int protocolVersion) {
         protocolOfVersion.put(versionId, protocolVersion);
         List<String> versions = versionsOfProtocol.computeIfAbsent(protocolVersion, p -> new ArrayList<>());