suppress or remove most warnings

src/main/kotlin/xyz/alexcrea/cuanvil/dependency/DependencyManager.kt

@@ -30,7 +30,7 @@ import xyz.alexcrea.cuanvil.dependency.util.PlatformUtil
 import xyz.alexcrea.cuanvil.dependency.util.PlatformUtil.componentLore
 import xyz.alexcrea.cuanvil.listener.PrepareAnvilListener.Companion.ANVIL_OUTPUT_SLOT
 import xyz.alexcrea.cuanvil.util.MetricsUtil.trackError
-import java.lang.reflect.Constructor
+import java.lang.IllegalStateException
 import java.util.logging.Level
 
 @Suppress("UnstableApiUsage")
@@ -337,10 +337,14 @@ object DependencyManager {
 
 
     private val prepareAnvilConstructor =
-        PrepareAnvilEvent::class.java.constructors.first() as Constructor<PrepareAnvilEvent>
+        PrepareAnvilEvent::class.java.constructors.first()
 
     fun createFakeEvent(view: AnvilView, result: ItemStack?): PrepareAnvilEvent {
-        return prepareAnvilConstructor.newInstance(view, result)
+        val result = prepareAnvilConstructor.newInstance(view, result)
+        if(result !is PrepareAnvilEvent)
+            throw IllegalStateException("Could not create a PrepareAnvilEvent ?")
+
+        return result
     }
 
 }

src/main/kotlin/xyz/alexcrea/cuanvil/dependency/plugins/ItemsAdderDependency.kt

@@ -6,6 +6,7 @@ import org.bukkit.NamespacedKey
 import org.bukkit.inventory.ItemStack
 import org.bukkit.plugin.Plugin
 
+@Suppress("DEPRECATION")
 class ItemsAdderDependency(plugin: Plugin) : GenericPluginDependency(plugin) {
     var isLoaded: Boolean = false
         get() {

src/main/kotlin/xyz/alexcrea/cuanvil/dependency/plugins/LegacyEcoEnchantDependency.kt

@@ -10,13 +10,20 @@ class LegacyEcoEnchantDependency {
 
 
     private var ecoEnchantOldEnchantments: MutableSet<EcoEnchant>? = null
+    private fun unregisterEnchantment(enchant: Any) {
+        EnchantmentApi.unregisterEnchantment((enchant as Enchantment).key)
+    }
+
+    private fun registerEnchantment(ecoEnchant: EcoEnchant, enchant: Any) {
+        EnchantmentApi.registerEnchantment(CALegacyEcoEnchant(ecoEnchant, enchant as Enchantment))
+    }
+
     fun registerEnchantments() {
         val enchantments = EcoEnchants.values()
         for (ecoEnchant in enchantments) {
-            ecoEnchant as Enchantment
-
-            EnchantmentApi.unregisterEnchantment(ecoEnchant) // As eco enchants is loaded before custom anvil and register enchantment to registry, we need to unregister old "vanilla" enchant.
-            EnchantmentApi.registerEnchantment(CALegacyEcoEnchant(ecoEnchant, ecoEnchant))
+            // As eco enchants is loaded before custom anvil and register enchantment to registry, we need to unregister old "vanilla" enchant.
+            unregisterEnchantment(ecoEnchant)
+            registerEnchantment(ecoEnchant, ecoEnchant)
         }
 
         ecoEnchantOldEnchantments = HashSet(enchantments)
@@ -31,13 +38,13 @@ class LegacyEcoEnchantDependency {
         // Add new enchantments
         for (ecoEnchant in newEnchantments)
             if (!this.ecoEnchantOldEnchantments!!.contains(ecoEnchant))
-                EnchantmentApi.registerEnchantment(CALegacyEcoEnchant(ecoEnchant, ecoEnchant as Enchantment))
+                registerEnchantment(ecoEnchant, ecoEnchant)
 
 
         // Remove old enchantments that not now currently used
         this.ecoEnchantOldEnchantments!!.removeAll(newEnchantments)
         for (oldEnchantment in this.ecoEnchantOldEnchantments!!) {
-            EnchantmentApi.unregisterEnchantment(oldEnchantment as Enchantment)
+            unregisterEnchantment(oldEnchantment)
         }
 
         this.ecoEnchantOldEnchantments = HashSet(newEnchantments)

src/main/kotlin/xyz/alexcrea/cuanvil/dependency/plugins/ToolStatsDependency.kt

@@ -18,9 +18,13 @@ class ToolStatsDependency(plugin: Plugin) : GenericPluginDependency(plugin) {
         getTokenMethod.trySetAccessible()
     }
 
-    private fun ItemChecker.getTokenSafe(item: ItemStack?): Array<String> {
-        if (item == null) return arrayOf()
-        return getTokenMethod.invoke(this, item) as Array<String>
+    private fun ItemChecker.getTokenSafe(item: ItemStack?): Array<*> {
+        if (item == null) return arrayOf<Any>()
+        val result = getTokenMethod.invoke(this, item)
+        if(result !is Array<*>)
+            throw IllegalStateException("Could not get token from ToolStats")
+
+        return result
     }
 
     override fun testAnvilResult(event: InventoryClickEvent): Boolean {