Fix Javadoc warnings due to Java 21 update (+ some other warnings)

The default implicit constructor must also have a doc comment, so I have to make it explicit and either properly restrict the visibility of the constructor, or actually document it.

pandalib-util/src/main/java/fr/pandacube/lib/util/function/BiConsumerException.java

@@ -2,6 +2,9 @@ package fr.pandacube.lib.util.function;
 
 /**
  * A consumer that can possibly throw a checked exception.
+ * @param <T> the first parameter for this bi-consumer.
+ * @param <U> the second parameter for this bi-consumer.
+ * @param <E> the exception type that this interface method can throw.
  */
 @FunctionalInterface
 public interface BiConsumerException<T, U, E extends Exception> {

pandalib-util/src/main/java/fr/pandacube/lib/util/function/PredicateException.java

@@ -2,6 +2,8 @@ package fr.pandacube.lib.util.function;
 
 /**
  * A predicate that can possibly throw a checked exception.
+ * @param <T> the parameter for this predicate.
+ * @param <E> the exception type that this predicate can throw.
  */
 @FunctionalInterface
 public interface PredicateException<T, E extends Exception> {

pandalib-util/src/main/java/fr/pandacube/lib/util/function/RunnableException.java

@@ -2,6 +2,7 @@ package fr.pandacube.lib.util.function;
 
 /**
  * A runnable that can possibly throw a checked exception.
+ * @param <E> the exception type that this interface method can throw.
  */
 @FunctionalInterface
 public interface RunnableException<E extends Exception> {

pandalib-util/src/main/java/fr/pandacube/lib/util/function/SupplierException.java

@@ -2,6 +2,8 @@ package fr.pandacube.lib.util.function;
 
 /**
  * A supplier that can possibly throw a checked exception.
+ * @param <T> the return type of this supplier.
+ * @param <E> the exception type that this interface method can throw.
  */
 @FunctionalInterface
 public interface SupplierException<T, E extends Exception> {

pandalib-util/src/main/java/fr/pandacube/lib/util/function/ToIntBiFunctionException.java

@@ -2,6 +2,9 @@ package fr.pandacube.lib.util.function;
 
 /**
  * A function that can possibly throw a checked exception.
+ * @param <T> the first parameter for this bi-function.
+ * @param <U> the second parameter for this bi-function.
+ * @param <E> the exception type that this interface method can throw.
  */
 @FunctionalInterface
 public interface ToIntBiFunctionException<T, U, E extends Exception> {

pandalib-util/src/main/java/fr/pandacube/lib/util/function/TriConsumerException.java

@@ -2,6 +2,10 @@ package fr.pandacube.lib.util.function;
 
 /**
  * A consumer that can possibly throw a checked exception.
+ * @param <T> the first parameter for this tri-consumer.
+ * @param <U> the second parameter for this tri-consumer.
+ * @param <V> the third parameter for this tri-consumer.
+ * @param <E> the exception type that this interface method can throw.
  */
 @FunctionalInterface
 public interface TriConsumerException<T, U, V, E extends Exception> {