Port to 1.11

src/main/java/appeng/parts/misc/PartInterface.java

@@ -272,9 +272,9 @@ public class PartInterface extends PartBasicState implements IGridTickable, ISto
 	}
 
 	@Override
-	public boolean isUseableByPlayer( final EntityPlayer entityplayer )
+	public boolean isUsableByPlayer( final EntityPlayer entityplayer )
 	{
-		return this.duality.getStorage().isUseableByPlayer( entityplayer );
+		return this.duality.getStorage().isUsableByPlayer( entityplayer );
 	}
 
 	@Override
@@ -444,4 +444,11 @@ public class PartInterface extends PartBasicState implements IGridTickable, ISto
 		return this.duality.getCapability( capabilityClass, getSide().getFacing() );
 	}
 
+	@Override
+	public boolean isEmpty()
+	{
+		// TODO Auto-generated method stub
+		return false;
+	}
+
 }