yes

src/main/java/lol/vera/spigot/implementation/KnockbackImplementation.java

@@ -13,6 +13,8 @@ public interface KnockbackImplementation {
 
     void setActiveKnockbackProfile(Player player, KnockbackProfile knockbackProfile);
 
+    void createKnockbackProfile(KnockbackProfile knockbackProfile);
+
     class DEFAULT implements KnockbackImplementation {
 
         @Override
@@ -35,6 +37,11 @@ public interface KnockbackImplementation {
 
         }
 
+        @Override
+        public void createKnockbackProfile(KnockbackProfile knockbackProfile) {
+
+        }
+
     }
 
 }

src/main/java/lol/vera/spigot/knockback/KnockbackProfile.java

@@ -40,4 +40,42 @@ public interface KnockbackProfile {
 
     Integer getPotionTicks();
 
+    void setName(String name);
+
+    void setFriction(double friction);
+
+    void setVertical(double vertical);
+
+    void setHorizontal(double horizontal);
+
+    void setVerticalLimit(double verticalLimit);
+
+    void setExtraVertical(double extraVertical);
+
+    void setExtraHorizontal(double extraHorizontal);
+
+    void setEntitySlowdown(double entitySlowdown);
+
+    void setDamageTicks(double damageTicks);
+
+    void setAutoWTap(boolean autoWTap);
+
+    void setOnePointSeven(boolean onePointSeven);
+
+    void setRodSpeed(double rodSpeed);
+
+    void setBowSpeed(double bowSpeed);
+
+    void setPearlSpeed(double pearlSpeed);
+
+    void setPotionSpeed(double potionSpeed);
+
+    void setPotionIntensity(double potionIntensity);
+
+    void setPotionOffset(double potionOffset);
+
+    void setPotionDistance(double potionDistance);
+
+    void setPotionTicks(Integer potionTicks);
+
 }