Add missing javadoc

base/src/main/java/de/staropensource/sosengine/base/Engine.java

@@ -76,6 +76,12 @@ public final class Engine implements SubsystemMainClass {
      * Indicates if the engine is shutting down.
      *
      * @since 1-alpha1
+     *
+     * -- GETTER --
+     * Returns if the engine is shutting down.
+     *
+     * @return if the engine is shutting down
+     * @since 1-alpha1
      */
     @Getter
     private boolean shuttingDown = false;

base/src/main/java/de/staropensource/sosengine/base/EngineConfiguration.java

@@ -88,6 +88,13 @@ public final class EngineConfiguration implements SubsystemConfiguration {
      *
      * @see de.staropensource.sosengine.base.classes.helpers.EventHelper#logCall(Class, Object...) 
      * @since 1-alpha0
+     *
+     * -- GETTER --
+     * Gets the value for {@code debugEvents}.
+     *
+     * @return variable value
+     * @see EngineConfiguration#debugEvents
+     * @since 1-alpha0
      */
     private boolean debugEvents;
 
@@ -190,14 +197,14 @@ public final class EngineConfiguration implements SubsystemConfiguration {
      * Only applies if {@code optimizeLogging} is turned on.
      *
      * @see EngineConfiguration#optimizeLogging
-     * @since 1-alpha0
+     * @since 1-alpha1
      *
      * -- GETTER --
      * Gets the value for {@code loggerForceStandardOutput}.
      *
      * @return variable value
      * @see EngineConfiguration#loggerForceStandardOutput
-     * @since 1-alpha0
+     * @since 1-alpha1
      */
     private int loggerPollingSpeed;
 

base/src/main/java/de/staropensource/sosengine/base/classes/helpers/EventHelper.java

@@ -60,7 +60,8 @@ public class EventHelper {
     /**
      * Logs the event call.
      *
-     * @param clazz event class
+     * @param clazz     event class
+     * @param arguments arguments passed to event listeners
      * @since 1-alpha0
      */
     public static void logCall(@NotNull Class<? extends Event> clazz, @NotNull Object ... arguments) {

base/src/main/java/de/staropensource/sosengine/base/logging/Logger.java

@@ -105,7 +105,7 @@ public final class Logger {
      * Starts the logging thread.
      *
      * @since 1-alpha1
-     * @see Logger#getLoggingThread()
+     * @see Logger#loggingThread
      */
     public static void startLoggingThread() {
         if (loggingThread == null) {

base/src/main/java/de/staropensource/sosengine/base/utility/ListFormatter.java

@@ -33,6 +33,11 @@ import java.util.Set;
  */
 @SuppressWarnings({ "unused" })
 public class ListFormatter {
+    /**
+     * Constructor.
+     */
+    public ListFormatter() {}
+
     /**
      * Converts an array to a {@link String}.
      *

base/src/main/java/de/staropensource/sosengine/base/utility/Miscellaneous.java

@@ -57,7 +57,7 @@ public final class Miscellaneous {
 
     /**
      * Forcefully invokes the garbage collector and blocks execution until finished.<br/>
-     * If you want to run it in parallel to your program, consider running it in a {@link VirtualThread}.
+     * If you want to run it in parallel to your program, consider running it in a {@link java.lang.VirtualThread}.
      *
      * @since 1-alpha0
      */
@@ -88,6 +88,7 @@ public final class Miscellaneous {
      *
      * @param map   map to use
      * @param value value to search for
+     * @return all keys matching the specified value
      * @since 1-alpha0
      */
     public static Set<?> getMapValue(@NotNull Map<?, ?> map, @Nullable Object value) {

graphics/opengl/src/main/java/de/staropensource/sosengine/graphics/opengl/OpenGlManagement.java

@@ -31,6 +31,11 @@ import org.jetbrains.annotations.NotNull;
  */
 @SuppressWarnings({ "unused" })
 public final class OpenGlManagement implements ApiManagementClass {
+    /**
+     * Constructor.
+     */
+    public OpenGlManagement() {}
+
     /** {@inheritDoc} */
     @NotNull
     @Override

graphics/src/main/java/de/staropensource/sosengine/graphics/classes/ApiMainClass.java

@@ -44,6 +44,7 @@ public interface ApiMainClass extends SubsystemMainClass {
     /**
      * Returns the name of the Graphics API.
      *
+     * @return Graphics API name
      * @since 1-alpha0
      */
     String getApiName();

graphics/src/main/java/de/staropensource/sosengine/graphics/classes/ApiManagementClass.java

@@ -32,6 +32,9 @@ public interface ApiManagementClass {
     /**
      * Creates a new {@link Window}.
      *
+     * @param title initial window title
+     * @param size initial window size
+     * @return new window
      * @since 1-alpha0
      */
     @NotNull

graphics/vulkan/src/main/java/de/staropensource/sosengine/graphics/vulkan/VulkanManagement.java

@@ -25,6 +25,11 @@ import de.staropensource.sosengine.graphics.classes.Window;
 import org.jetbrains.annotations.NotNull;
 
 public class VulkanManagement implements ApiManagementClass {
+    /**
+     * Constructor.
+     */
+    public VulkanManagement() {}
+
     /** {@inheritDoc} */
     @NotNull
     @Override

graphics/vulkan/src/main/java/de/staropensource/sosengine/graphics/vulkan/VulkanSubsystem.java

@@ -89,7 +89,7 @@ public final class VulkanSubsystem implements ApiMainClass {
         }
 
         // Warn about instability
-        logger.warn("The Vulkan Graphics API is unfinished. Trying to initialize it will lead to an engine crash.");
+        logger.warn("The Vulkan Graphics API is in an unfinished state. Trying to initialize the Graphics API will cause an engine crash.");
 
         // Register Graphics API
         GraphicsSubsystem.getInstance().registerGraphicsApi(this);

slf4j-compat/src/main/java/de/staropensource/sosengine/slf4j_compat/CompatibilityLoggerFactory.java

@@ -33,6 +33,9 @@ import java.util.concurrent.ConcurrentMap;
 public class CompatibilityLoggerFactory implements ILoggerFactory {
     ConcurrentMap<@NotNull String, @NotNull Logger> loggerMap;
 
+    /**
+     * Constructor.
+     */
     public CompatibilityLoggerFactory() {
         loggerMap = new ConcurrentHashMap<>();
         CompatibilityLogger.lazyInit();

slf4j-compat/src/main/java/de/staropensource/sosengine/slf4j_compat/CompatibilityLoggerProvider.java

@@ -73,6 +73,11 @@ public class CompatibilityLoggerProvider implements SLF4JServiceProvider {
      */
     private MDCAdapter mDCAdapter;
 
+    /**
+     * Constructor.
+     */
+    public CompatibilityLoggerProvider() {}
+
     /** {@inheritDoc} */
     @Override
     public void initialize() {