add reflection wrapper

src/main/java/com/github/kaktushose/jda/commands/definitions/description/ClassDescription.java

@@ -0,0 +1,11 @@
+package com.github.kaktushose.jda.commands.definitions.description;
+
+import java.lang.annotation.Annotation;
+import java.util.Collection;
+
+public record ClassDescription(
+        Class<?> clazz,
+        String name,
+        Collection<Annotation> annotations,
+        Collection<MethodDescription> methods
+) {}

src/main/java/com/github/kaktushose/jda/commands/definitions/description/Descriptor.java

@@ -0,0 +1,6 @@
+package com.github.kaktushose.jda.commands.definitions.description;
+
+import java.util.function.Function;
+
+public interface Descriptor extends Function<Class<?>, ClassDescription> {
+}

src/main/java/com/github/kaktushose/jda/commands/definitions/description/MethodDescription.java

@@ -0,0 +1,18 @@
+package com.github.kaktushose.jda.commands.definitions.description;
+
+import java.lang.annotation.Annotation;
+import java.util.Collection;
+import java.util.SequencedCollection;
+import java.util.function.BiFunction;
+
+public record MethodDescription(
+        Class<?> returnType,
+        String name,
+        Collection<ParameterDescription> parameters,
+        Collection<Annotation> annotations,
+        BiFunction<Object, SequencedCollection<Object>, Object> invoker
+) {
+    public Object invoke(Object instance, SequencedCollection<Object> arguments) {
+        return invoker.apply(instance, arguments);
+    }
+}

src/main/java/com/github/kaktushose/jda/commands/definitions/description/ParameterDescription.java

@@ -0,0 +1,10 @@
+package com.github.kaktushose.jda.commands.definitions.description;
+
+import java.lang.annotation.Annotation;
+import java.util.Collection;
+
+public record ParameterDescription(
+        Class<?> type,
+        Collection<Annotation> annotations
+) {
+}

src/main/java/com/github/kaktushose/jda/commands/definitions/features/Invokeable.java

@@ -1,12 +1,12 @@
 package com.github.kaktushose.jda.commands.definitions.features;
 
+import com.github.kaktushose.jda.commands.definitions.description.MethodDescription;
 import com.github.kaktushose.jda.commands.definitions.interactions.Interaction;
 import com.github.kaktushose.jda.commands.dispatching.context.InvocationContext;
 import org.jetbrains.annotations.NotNull;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import java.lang.reflect.Method;
 import java.util.SequencedCollection;
 
 public sealed interface Invokeable permits Replyable, Interaction {
@@ -16,11 +16,11 @@ public sealed interface Invokeable permits Replyable, Interaction {
     default void invoke(@NotNull Object instance, @NotNull InvocationContext<?> invocation) throws Throwable {
         SequencedCollection<Object> arguments = invocation.arguments();
 
-        method().invoke(instance, arguments.toArray());
+        method().invoke(instance, arguments);
     }
 
     @NotNull
-    Method method();
+    MethodDescription method();
 
     @NotNull
     SequencedCollection<Class<?>> methodSignature();