adding some @NotNull's to overrides

src/main/java/com/jenny/compressedtnt/entities/basePrimedTNT.java

@@ -1,6 +1,5 @@
 package com.jenny.compressedtnt.entities;
 
-import net.minecraft.core.BlockPos;
 import net.minecraft.core.particles.ParticleTypes;
 import net.minecraft.nbt.CompoundTag;
 import net.minecraft.network.syncher.EntityDataAccessor;
@@ -94,7 +93,7 @@ public abstract class basePrimedTNT extends Entity implements TraceableEntity {
         return !this.isRemoved();
     }
 
-    protected Entity.MovementEmission getMovementEmission() {
+    protected Entity.@NotNull MovementEmission getMovementEmission() {
         return Entity.MovementEmission.NONE;
     }
 
@@ -121,7 +120,7 @@ public abstract class basePrimedTNT extends Entity implements TraceableEntity {
         return this.owner;
     }
 
-    public void setOwner(LivingEntity owner) {
+    public void setOwner(@Nullable LivingEntity owner) {
         this.owner = owner;
     }
 

src/main/java/com/jenny/compressedtnt/entities/client/TNTArrowRenderer.java

@@ -10,7 +10,6 @@ import net.minecraft.client.renderer.entity.EntityRendererProvider;
 import net.minecraft.client.renderer.entity.TntMinecartRenderer;
 import net.minecraft.client.renderer.texture.TextureAtlas;
 import net.minecraft.resources.ResourceLocation;
-import net.minecraft.world.entity.projectile.Arrow;
 import net.minecraft.world.level.block.Blocks;
 
 import org.jetbrains.annotations.NotNull;

src/main/java/com/jenny/compressedtnt/entities/entities.java

@@ -5,9 +5,7 @@ import com.jenny.compressedtnt.entities.client.TNTArrowRenderer;
 import com.jenny.compressedtnt.entities.client.clusterTNTRenderer;
 import com.jenny.compressedtnt.items.arrows.entity.*;
 
-import net.minecraft.client.renderer.entity.ArrowRenderer;
 import net.minecraft.client.renderer.entity.EntityRenderers;
-import net.minecraft.client.renderer.entity.TippableArrowRenderer;
 import net.minecraft.world.entity.EntityType;
 import net.minecraft.world.entity.MobCategory;
 import net.minecraftforge.eventbus.api.IEventBus;