No need for _replacedSkills to be public.

L2J_Mobius_05.0_Salvation/java/org/l2jmobius/gameserver/model/actor/Player.java

@@ -812,7 +812,7 @@ public class Player extends Playable
 	
 	/** Map containing all custom skills of this player. */
 	private Map<Integer, Skill> _customSkills = null;
-	public final Set<Integer> _replacedSkills = ConcurrentHashMap.newKeySet(1);
+	private final Set<Integer> _replacedSkills = ConcurrentHashMap.newKeySet(1);
 	
 	private volatile int _actionMask;
 	

L2J_Mobius_05.5_EtinasFate/java/org/l2jmobius/gameserver/model/actor/Player.java

@@ -813,7 +813,7 @@ public class Player extends Playable
 	
 	/** Map containing all custom skills of this player. */
 	private Map<Integer, Skill> _customSkills = null;
-	public final Set<Integer> _replacedSkills = ConcurrentHashMap.newKeySet(1);
+	private final Set<Integer> _replacedSkills = ConcurrentHashMap.newKeySet(1);
 	
 	private volatile int _actionMask;
 	

L2J_Mobius_06.0_Fafurion/java/org/l2jmobius/gameserver/model/actor/Player.java

@@ -813,7 +813,7 @@ public class Player extends Playable
 	
 	/** Map containing all custom skills of this player. */
 	private Map<Integer, Skill> _customSkills = null;
-	public final Set<Integer> _replacedSkills = ConcurrentHashMap.newKeySet(1);
+	private final Set<Integer> _replacedSkills = ConcurrentHashMap.newKeySet(1);
 	
 	private volatile int _actionMask;
 	

L2J_Mobius_07.0_PreludeOfWar/java/org/l2jmobius/gameserver/model/actor/Player.java

@@ -824,7 +824,7 @@ public class Player extends Playable
 	
 	/** Map containing all custom skills of this player. */
 	private Map<Integer, Skill> _customSkills = null;
-	public final Set<Integer> _replacedSkills = ConcurrentHashMap.newKeySet(1);
+	private final Set<Integer> _replacedSkills = ConcurrentHashMap.newKeySet(1);
 	
 	private volatile int _actionMask;
 	

L2J_Mobius_08.2_Homunculus/java/org/l2jmobius/gameserver/model/actor/Player.java

@@ -834,7 +834,7 @@ public class Player extends Playable
 	
 	/** Map containing all custom skills of this player. */
 	private Map<Integer, Skill> _customSkills = null;
-	public final Set<Integer> _replacedSkills = ConcurrentHashMap.newKeySet(1);
+	private final Set<Integer> _replacedSkills = ConcurrentHashMap.newKeySet(1);
 	
 	private final OlympiadFightHistory _olympiadFightHistory = new OlympiadFightHistory(this);
 	

L2J_Mobius_09.2_ReturnOfTheQueenAnt/java/org/l2jmobius/gameserver/model/actor/Player.java

@@ -847,7 +847,7 @@ public class Player extends Playable
 	
 	/** Map containing all custom skills of this player. */
 	private Map<Integer, Skill> _customSkills = null;
-	public final Set<Integer> _replacedSkills = ConcurrentHashMap.newKeySet(1);
+	private final Set<Integer> _replacedSkills = ConcurrentHashMap.newKeySet(1);
 	
 	private final OlympiadFightHistory _olympiadFightHistory = new OlympiadFightHistory(this);
 	

L2J_Mobius_10.2_MasterClass/java/org/l2jmobius/gameserver/model/actor/Player.java

@@ -850,7 +850,7 @@ public class Player extends Playable
 	
 	/** Map containing all custom skills of this player. */
 	private Map<Integer, Skill> _customSkills = null;
-	public final Set<Integer> _replacedSkills = ConcurrentHashMap.newKeySet(1);
+	private final Set<Integer> _replacedSkills = ConcurrentHashMap.newKeySet(1);
 	
 	private final OlympiadFightHistory _olympiadFightHistory = new OlympiadFightHistory(this);
 	

L2J_Mobius_Classic_3.0_TheKamael/java/org/l2jmobius/gameserver/model/actor/Player.java

@@ -828,7 +828,7 @@ public class Player extends Playable
 	
 	/** Map containing all custom skills of this player. */
 	private Map<Integer, Skill> _customSkills = null;
-	public final Set<Integer> _replacedSkills = ConcurrentHashMap.newKeySet(1);
+	private final Set<Integer> _replacedSkills = ConcurrentHashMap.newKeySet(1);
 	
 	private volatile int _actionMask;
 	

L2J_Mobius_Essence_4.2_DwellingOfSpirits/java/org/l2jmobius/gameserver/model/actor/Player.java

@@ -856,7 +856,7 @@ public class Player extends Playable
 	
 	/** Map containing all custom skills of this player. */
 	private Map<Integer, Skill> _customSkills = null;
-	public final Set<Integer> _replacedSkills = ConcurrentHashMap.newKeySet(1);
+	private final Set<Integer> _replacedSkills = ConcurrentHashMap.newKeySet(1);
 	
 	private volatile int _actionMask;
 	

L2J_Mobius_Essence_5.2_FrostLord/java/org/l2jmobius/gameserver/model/actor/Player.java

@@ -876,7 +876,7 @@ public class Player extends Playable
 	
 	/** Map containing all custom skills of this player. */
 	private Map<Integer, Skill> _customSkills = null;
-	public final Set<Integer> _replacedSkills = ConcurrentHashMap.newKeySet(1);
+	private final Set<Integer> _replacedSkills = ConcurrentHashMap.newKeySet(1);
 	
 	private volatile int _actionMask;
 	

L2J_Mobius_Essence_6.2_Vanguard/java/org/l2jmobius/gameserver/model/actor/Player.java

@@ -890,7 +890,7 @@ public class Player extends Playable
 	
 	/** Map containing all custom skills of this player. */
 	private Map<Integer, Skill> _customSkills = null;
-	public final Set<Integer> _replacedSkills = ConcurrentHashMap.newKeySet(1);
+	private final Set<Integer> _replacedSkills = ConcurrentHashMap.newKeySet(1);
 	
 	private volatile int _actionMask;