Many javadoc fixes thanks to Celtic Minstrel

By: Dinnerbone <dinnerbone@dinnerbone.com>

paper-api/src/main/java/org/bukkit/plugin/ServicesManager.java

@@ -30,22 +30,22 @@ public interface ServicesManager {
     /**
      * Unregister all the providers registered by a particular plugin.
      *
-     * @param plugin
+     * @param plugin The plugin
      */
     public void unregisterAll(Plugin plugin);
 
     /**
      * Unregister a particular provider for a particular service.
      *
-     * @param service
-     * @param provider
+     * @param service The service interface
+     * @param provider The service provider implementation
      */
     public void unregister(Class<?> service, Object provider);
 
     /**
      * Unregister a particular provider.
      *
-     * @param provider
+     * @param provider The service provider implementation
      */
     public void unregister(Object provider);
 
@@ -53,8 +53,8 @@ public interface ServicesManager {
      * Queries for a provider. This may return if no provider has been
      * registered for a service. The highest priority provider is returned.
      *
-     * @param <T>
-     * @param service
+     * @param <T> The service interface
+     * @param service The service interface
      * @return provider or null
      */
     public <T> T load(Class<T> service);
@@ -63,8 +63,8 @@ public interface ServicesManager {
      * Queries for a provider registration. This may return if no provider
      * has been registered for a service.
      *
-     * @param <T>
-     * @param service
+     * @param <T> The service interface
+     * @param service The service interface
      * @return provider registration or null
      */
     public <T> RegisteredServiceProvider<T> getRegistration(Class<T> service);
@@ -72,7 +72,7 @@ public interface ServicesManager {
     /**
      * Get registrations of providers for a plugin.
      *
-     * @param plugin
+     * @param plugin The plugin
      * @return provider registration or null
      */
     public List<RegisteredServiceProvider<?>> getRegistrations(Plugin plugin);
@@ -81,8 +81,8 @@ public interface ServicesManager {
      * Get registrations of providers for a service. The returned list is
      * unmodifiable.
      *
-     * @param <T>
-     * @param service
+     * @param <T> The service interface
+     * @param service The service interface
      * @return list of registrations
      */
     public <T> Collection<RegisteredServiceProvider<T>> getRegistrations(