Comply with checkstyle again

Common/src/main/java/net/frankheijden/serverutils/common/providers/ChatProvider.java

@@ -2,11 +2,28 @@ package net.frankheijden.serverutils.common.providers;
 
 import net.frankheijden.serverutils.common.entities.ServerCommandSender;
 
+/**
+ * A basic chat provider class.
+ */
 public abstract class ChatProvider {
 
+    /**
+     * Retrieves the console sender of a server instance.
+     * @return The console sender.
+     */
     public abstract ServerCommandSender getConsoleSender();
 
+    /**
+     * Colorizes the given string.
+     * @param str The string to color.
+     * @return The colored string.
+     */
     public abstract String color(String str);
 
+    /**
+     * Broadcasts a message over a server instance.
+     * @param permission The permission the receivers need to have.
+     * @param message The message to broadcast.
+     */
     public abstract void broadcast(String permission, String message);
 }

Common/src/main/java/net/frankheijden/serverutils/common/providers/PluginProvider.java

@@ -16,12 +16,20 @@ public abstract class PluginProvider<T> {
 
     public abstract File getPluginFile(T plugin);
 
+    /**
+     * Retrieves a list of plugins, sorted by name.
+     * @return The list of plugins.
+     */
     public List<T> getPluginsSorted() {
         List<T> plugins = getPlugins();
         plugins.sort(Comparator.comparing(this::getPluginName));
         return plugins;
     }
 
+    /**
+     * Retrieves a list of plugin names.
+     * @return The plugin names.
+     */
     public List<String> getPluginNames() {
         return getPlugins().stream()
                 .map(this::getPluginName)

Common/src/main/java/net/frankheijden/serverutils/common/providers/ResourceProvider.java

@@ -1,10 +1,10 @@
 package net.frankheijden.serverutils.common.providers;
 
-import net.frankheijden.serverutils.common.config.YamlConfig;
-
 import java.io.File;
 import java.io.InputStream;
 
+import net.frankheijden.serverutils.common.config.YamlConfig;
+
 public interface ResourceProvider {
 
     InputStream getResource(String resource);