Fixed applying the type of tunnel for P2P tunnels.

This was caused by the enforced lowercase mod id's and item names since 1.11.

src/api/java/appeng/api/features/IP2PTunnelRegistry.java

@@ -26,6 +26,7 @@ package appeng.api.features;
 
 import javax.annotation.Nullable;
 
+import com.sun.istack.internal.NotNull;
 import net.minecraft.item.ItemStack;
 
 import appeng.api.config.TunnelType;
@@ -44,7 +45,7 @@ public interface IP2PTunnelRegistry
 	 * @param trigger - the item which triggers attunement. Nullable, but then ignored
 	 * @param type - the type of tunnel. Nullable, but then ignored
 	 */
-	void addNewAttunement( @Nullable ItemStack trigger, @Nullable TunnelType type );
+	void addNewAttunement( @NotNull ItemStack trigger, @Nullable TunnelType type );
 
 	/**
 	 * returns null if no attunement can be found.
@@ -53,6 +54,6 @@ public interface IP2PTunnelRegistry
 	 *
 	 * @return null if no attunement can be found or attunement
 	 */
-	@Nullable
+	@NotNull
 	TunnelType getTunnelTypeByItem( ItemStack trigger );
 }