it is done

core/src/mindustry/entities/traits/ShooterTrait.java

@@ -0,0 +1,13 @@
+package mindustry.entities.traits;
+
+import arc.util.Interval;
+import mindustry.type.Weapon;
+
+public interface ShooterTrait extends VelocityTrait, TeamTrait{
+
+    Interval getTimer();
+
+    int getShootTimer(boolean left);
+
+    Weapon getWeapon();
+}