Add Override annotations where appropriate

By: md_5 <git@md-5.net>

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

@@ -35,6 +35,7 @@ public class SimpleServicesManager implements ServicesManager {
      * @param plugin plugin with the provider
      * @param priority priority of the provider
      */
+    @Override
     public <T> void register(@NotNull Class<T> service, @NotNull T provider, @NotNull Plugin plugin, @NotNull ServicePriority priority) {
         RegisteredServiceProvider<T> registeredProvider = null;
         synchronized (providers) {
@@ -63,6 +64,7 @@ public class SimpleServicesManager implements ServicesManager {
      *
      * @param plugin The plugin
      */
+    @Override
     public void unregisterAll(@NotNull Plugin plugin) {
         ArrayList<ServiceUnregisterEvent> unregisteredEvents = new ArrayList<ServiceUnregisterEvent>();
         synchronized (providers) {
@@ -105,6 +107,7 @@ public class SimpleServicesManager implements ServicesManager {
      * @param service The service interface
      * @param provider The service provider implementation
      */
+    @Override
     public void unregister(@NotNull Class<?> service, @NotNull Object provider) {
         ArrayList<ServiceUnregisterEvent> unregisteredEvents = new ArrayList<ServiceUnregisterEvent>();
         synchronized (providers) {
@@ -152,6 +155,7 @@ public class SimpleServicesManager implements ServicesManager {
      *
      * @param provider The service provider implementation
      */
+    @Override
     public void unregister(@NotNull Object provider) {
         ArrayList<ServiceUnregisterEvent> unregisteredEvents = new ArrayList<ServiceUnregisterEvent>();
         synchronized (providers) {
@@ -196,6 +200,7 @@ public class SimpleServicesManager implements ServicesManager {
      * @param service The service interface
      * @return provider or null
      */
+    @Override
     @Nullable
     public <T> T load(@NotNull Class<T> service) {
         synchronized (providers) {
@@ -218,6 +223,7 @@ public class SimpleServicesManager implements ServicesManager {
      * @param service The service interface
      * @return provider registration or null
      */
+    @Override
     @Nullable
     @SuppressWarnings("unchecked")
     public <T> RegisteredServiceProvider<T> getRegistration(@NotNull Class<T> service) {
@@ -239,6 +245,7 @@ public class SimpleServicesManager implements ServicesManager {
      * @param plugin The plugin
      * @return provider registrations
      */
+    @Override
     @NotNull
     public List<RegisteredServiceProvider<?>> getRegistrations(@NotNull Plugin plugin) {
         ImmutableList.Builder<RegisteredServiceProvider<?>> ret = ImmutableList.<RegisteredServiceProvider<?>>builder();
@@ -262,6 +269,7 @@ public class SimpleServicesManager implements ServicesManager {
      * @param service The service interface
      * @return a copy of the list of registrations
      */
+    @Override
     @NotNull
     @SuppressWarnings("unchecked")
     public <T> List<RegisteredServiceProvider<T>> getRegistrations(@NotNull Class<T> service) {
@@ -289,6 +297,7 @@ public class SimpleServicesManager implements ServicesManager {
      *
      * @return a copy of the set of known services
      */
+    @Override
     @NotNull
     public Set<Class<?>> getKnownServices() {
         synchronized (providers) {
@@ -303,6 +312,7 @@ public class SimpleServicesManager implements ServicesManager {
      * @param service service to check
      * @return true if and only if there are registered providers
      */
+    @Override
     public <T> boolean isProvidedFor(@NotNull Class<T> service) {
         synchronized (providers) {
             return providers.containsKey(service);