diff --git a/src/main/java/xyz/alexcrea/cuanvil/api/AnvilRecipeBuilder.java b/src/main/java/xyz/alexcrea/cuanvil/api/AnvilRecipeBuilder.java
index 4292fa0..ee7e50c 100644
--- a/src/main/java/xyz/alexcrea/cuanvil/api/AnvilRecipeBuilder.java
+++ b/src/main/java/xyz/alexcrea/cuanvil/api/AnvilRecipeBuilder.java
@@ -7,6 +7,9 @@ import xyz.alexcrea.cuanvil.recipe.AnvilCustomRecipe;
 
 /**
  * A Builder for custom craft using anvil.
+ * <p>
+ * This is part of
+ * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#CUSTOM_RECIPE_V1 CUSTOM_RECIPE_V1}
  */
 @SuppressWarnings("unused")
 public class AnvilRecipeBuilder {
@@ -27,6 +30,9 @@ public class AnvilRecipeBuilder {
      * Instantiates a new Anvil recipe builder.
      * exact count default to true.
      * xp level and linear cost per craft default to 0.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#CUSTOM_RECIPE_V1 CUSTOM_RECIPE_V1}
      *
      * @param name The recipe name
      */
@@ -45,6 +51,9 @@ public class AnvilRecipeBuilder {
 
     /**
      * Gets the recipe name.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#CUSTOM_RECIPE_V1 CUSTOM_RECIPE_V1}
      *
      * @return This recipe builder instance.
      */
@@ -55,6 +64,9 @@ public class AnvilRecipeBuilder {
 
     /**
      * Sets the recipe name.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#CUSTOM_RECIPE_V1 CUSTOM_RECIPE_V1}
      *
      * @param name The recipe name
      * @return This recipe builder instance.
@@ -69,6 +81,9 @@ public class AnvilRecipeBuilder {
      * <p>
      * Exact count mean the recipe can only be crafted 1 by 1.
      * If set to false, then it will craft as much as possible in 1 go and will keep unused material onto the anvil inventory.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#CUSTOM_RECIPE_V1 CUSTOM_RECIPE_V1}
      *
      * @return If the recipe is exact count.
      */
@@ -81,6 +96,9 @@ public class AnvilRecipeBuilder {
      * <p>
      * Exact count mean the recipe can only be crafted 1 by 1.
      * If set to false, then it will craft as much as possible in 1 go and will keep unused material onto the anvil inventory.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#CUSTOM_RECIPE_V1 CUSTOM_RECIPE_V1}
      *
      * @param exactCount If the recipe is exact count
      * @return This recipe builder instance.
@@ -92,6 +110,9 @@ public class AnvilRecipeBuilder {
 
     /**
      * Get the xp level cost per craft. (default 0)
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#CUSTOM_RECIPE_V1 CUSTOM_RECIPE_V1}
      *
      * @return The xp level cost per craft
      * @deprecated use {@link #getLevelCostPerCraft() getLevelCostPerCraft} instead
@@ -103,6 +124,9 @@ public class AnvilRecipeBuilder {
 
     /**
      * Sets the xp level cost per craft.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#CUSTOM_RECIPE_V1 CUSTOM_RECIPE_V1}
      *
      * @param xpCostPerCraft The xp level cost per craft
      * @return This recipe builder instance.
@@ -115,6 +139,9 @@ public class AnvilRecipeBuilder {
 
     /**
      * Get the xp level cost per craft. (default 0)
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#CUSTOM_RECIPE_V1 CUSTOM_RECIPE_V1}
      *
      * @return The xp level cost per craft
      */
@@ -124,6 +151,9 @@ public class AnvilRecipeBuilder {
 
     /**
      * Sets the xp level cost per craft.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#CUSTOM_RECIPE_V1 CUSTOM_RECIPE_V1}
      *
      * @param levelCostPerCraft The xp level cost per craft
      * @return This recipe builder instance.
@@ -135,6 +165,9 @@ public class AnvilRecipeBuilder {
 
     /**
      * Get the linear xp cost (not xp level cost) per craft.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#CUSTOM_RECIPE_V1 CUSTOM_RECIPE_V1}
      *
      * @return The xp level cost per craft
      */
@@ -144,6 +177,9 @@ public class AnvilRecipeBuilder {
 
     /**
      * Sets the linear xp cost (not xp level cost) per craft.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#CUSTOM_RECIPE_V1 CUSTOM_RECIPE_V1}
      *
      * @param linearXpCostPerCraft The linear xp cost per craft
      * @return This recipe builder instance.
@@ -160,6 +196,10 @@ public class AnvilRecipeBuilder {
      * If true will require the level that has at least the specified level of xp then on click remove only the necessary xp
      * <p>
      * linear xp cost are applied after level cost
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#CUSTOM_RECIPE_V1 CUSTOM_RECIPE_V1}
+     *
      * @return if we should remove the exact amount of linear xp
      */
     public boolean isRemoveExactLinearXp() {
@@ -174,6 +214,10 @@ public class AnvilRecipeBuilder {
      * <p>
      * linear xp cost are applied after level cost
      * @param removeExactLinearXp if we should remove the exact amount of linear xp
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#CUSTOM_RECIPE_V1 CUSTOM_RECIPE_V1}
+     *
      * @return This recipe builder instance.
      */
     public AnvilRecipeBuilder setRemoveExactLinearXp(boolean removeExactLinearXp) {
@@ -184,6 +228,9 @@ public class AnvilRecipeBuilder {
     /**
      * Get the left item of the recipe.
      * If null (default) then the recipe will not be able to be registered.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#CUSTOM_RECIPE_V1 CUSTOM_RECIPE_V1}
      *
      * @return The left item
      */
@@ -195,6 +242,9 @@ public class AnvilRecipeBuilder {
     /**
      * Set the left item.
      * If null (default) then the recipe will not be able to be registered.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#CUSTOM_RECIPE_V1 CUSTOM_RECIPE_V1}
      *
      * @param leftItem the left item
      * @return This recipe builder instance.
@@ -207,6 +257,9 @@ public class AnvilRecipeBuilder {
     /**
      * Get the recipe right item.
      * null on default new instance.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#CUSTOM_RECIPE_V1 CUSTOM_RECIPE_V1}
      *
      * @return The right item
      */
@@ -218,6 +271,9 @@ public class AnvilRecipeBuilder {
     /**
      * Set the recipe right item.
      * null on default new instance.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#CUSTOM_RECIPE_V1 CUSTOM_RECIPE_V1}
      *
      * @param rightItem the right item
      * @return This recipe builder instance.
@@ -230,6 +286,9 @@ public class AnvilRecipeBuilder {
     /**
      * Get the recipe result item.
      * If null (default) then the recipe will not be able to be registered.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#CUSTOM_RECIPE_V1 CUSTOM_RECIPE_V1}
      *
      * @return The result item
      */
@@ -241,6 +300,9 @@ public class AnvilRecipeBuilder {
     /**
      * Set the recipe result item.
      * If null (default) then the recipe will not be able to be registered.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#CUSTOM_RECIPE_V1 CUSTOM_RECIPE_V1}
      *
      * @param resultItem The result item
      * @return This recipe builder instance.
@@ -253,6 +315,9 @@ public class AnvilRecipeBuilder {
     /**
      * Build the anvil custom recipe.
      * Should probably use {@link #registerIfAbsent() registerIfAbsent} or {@link ConflictAPI#addConflict(ConflictBuilder) addConflict}.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#CUSTOM_RECIPE_V1 CUSTOM_RECIPE_V1}
      *
      * @return A new anvil custom recipe base on this builder.
      */
@@ -273,6 +338,9 @@ public class AnvilRecipeBuilder {
     /**
      * Register this recipe if absent.
      * Equivalent to {@link ConflictAPI#addConflict(ConflictBuilder)}
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#CUSTOM_RECIPE_V1 CUSTOM_RECIPE_V1}
      *
      * @return True if successful.
      */
diff --git a/src/main/java/xyz/alexcrea/cuanvil/api/ConflictAPI.java b/src/main/java/xyz/alexcrea/cuanvil/api/ConflictAPI.java
index fe2715e..acf8d01 100644
--- a/src/main/java/xyz/alexcrea/cuanvil/api/ConflictAPI.java
+++ b/src/main/java/xyz/alexcrea/cuanvil/api/ConflictAPI.java
@@ -15,6 +15,9 @@ import java.util.List;
 
 /**
  * Custom Anvil api for conflict registry.
+ * <p>
+ * This is part of
+ * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#ENCHANTMENT_CONFLICT_V1 ENCHANTMENT_CONFLICT_V1}
  */
 @SuppressWarnings("unused")
 public class ConflictAPI {
@@ -29,6 +32,9 @@ public class ConflictAPI {
      * Write and add a conflict.
      * Will not write the conflict if it already exists.
      * Will not be successful if the conflict is empty.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#ENCHANTMENT_CONFLICT_V1 ENCHANTMENT_CONFLICT_V1}
      *
      * @param builder The conflict builder to be based on
      * @return True if successful.
@@ -41,6 +47,9 @@ public class ConflictAPI {
      * Write and add a conflict.
      * Will not write the conflict if it already exists.
      * Will not be successful if the conflict is empty.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#ENCHANTMENT_CONFLICT_V1 ENCHANTMENT_CONFLICT_V1}
      *
      * @param builder         The conflict builder to be based on
      * @param overrideDeleted If we should write even if the conflict was previously deleted.
@@ -70,6 +79,9 @@ public class ConflictAPI {
      * Write a conflict to the config file and plan an update of conflicts.
      * <p>
      * You may want to use {@link #addConflict(ConflictBuilder)} instead as it is more performance in most case as this function will reload every conflict.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#ENCHANTMENT_CONFLICT_V1 ENCHANTMENT_CONFLICT_V1}
      *
      * @param builder the builder
      * @return true if was written successfully.
@@ -82,6 +94,9 @@ public class ConflictAPI {
      * Write a conflict to the config file.
      * <p>
      * You should use {@link #addConflict(ConflictBuilder)} or {@link #writeConflict(ConflictBuilder)} instead
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#ENCHANTMENT_CONFLICT_V1 ENCHANTMENT_CONFLICT_V1}
      *
      * @param builder       The builder
      * @param updatePlanned If we should plan a global update for conflicts
@@ -116,6 +131,9 @@ public class ConflictAPI {
 
     /**
      * Extract every enchantment names from a builder.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#ENCHANTMENT_CONFLICT_V1 ENCHANTMENT_CONFLICT_V1}
      *
      * @param builder The builder storing the enchantments
      * @return Builder's stored enchantment.
@@ -132,6 +150,9 @@ public class ConflictAPI {
 
     /**
      * Remove a conflict.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#ENCHANTMENT_CONFLICT_V1 ENCHANTMENT_CONFLICT_V1}
      *
      * @param conflict The conflict to remove
      * @return True if successful.
@@ -153,6 +174,9 @@ public class ConflictAPI {
 
     /**
      * Prepare a task to save conflict configuration.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#ENCHANTMENT_CONFLICT_V1 ENCHANTMENT_CONFLICT_V1}
      */
     private static void prepareSaveTask() {
         if (saveChangeTask != null) return;
@@ -165,6 +189,9 @@ public class ConflictAPI {
 
     /**
      * Prepare a task to reload every conflict.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#ENCHANTMENT_CONFLICT_V1 ENCHANTMENT_CONFLICT_V1}
      */
     private static void prepareUpdateTask() {
         if (reloadChangeTask != null) return;
@@ -184,6 +211,9 @@ public class ConflictAPI {
 
     /**
      * Get every registered conflict.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#ENCHANTMENT_CONFLICT_V1 ENCHANTMENT_CONFLICT_V1}
      *
      * @return An immutable collection of conflict.
      */
diff --git a/src/main/java/xyz/alexcrea/cuanvil/api/ConflictBuilder.java b/src/main/java/xyz/alexcrea/cuanvil/api/ConflictBuilder.java
index f662140..c77ad39 100644
--- a/src/main/java/xyz/alexcrea/cuanvil/api/ConflictBuilder.java
+++ b/src/main/java/xyz/alexcrea/cuanvil/api/ConflictBuilder.java
@@ -15,6 +15,9 @@ import java.util.Set;
 
 /**
  * A Builder for material conflict.
+ * <p>
+ * This is part of
+ * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#ENCHANTMENT_CONFLICT_V1 ENCHANTMENT_CONFLICT_V1}
  */
 @SuppressWarnings("unused")
 public class ConflictBuilder {
@@ -31,6 +34,9 @@ public class ConflictBuilder {
 
     /**
      * Instantiates a new Conflict builder.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#ENCHANTMENT_CONFLICT_V1 ENCHANTMENT_CONFLICT_V1}
      *
      * @param name              The conflict name
      * @param maxBeforeConflict Maximum number of conflicting enchantment before conflict is active
@@ -50,6 +56,9 @@ public class ConflictBuilder {
 
     /**
      * Instantiates a new Conflict builder.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#ENCHANTMENT_CONFLICT_V1 ENCHANTMENT_CONFLICT_V1}
      *
      * @param name   The conflict name
      * @param source The conflict source
@@ -60,6 +69,9 @@ public class ConflictBuilder {
 
     /**
      * Instantiates a new Conflict builder.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#ENCHANTMENT_CONFLICT_V1 ENCHANTMENT_CONFLICT_V1}
      *
      * @param name The conflict name
      */
@@ -69,6 +81,9 @@ public class ConflictBuilder {
 
     /**
      * Gets conflict source.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#ENCHANTMENT_CONFLICT_V1 ENCHANTMENT_CONFLICT_V1}
      *
      * @return The conflict source.
      */
@@ -79,6 +94,9 @@ public class ConflictBuilder {
 
     /**
      * Gets conflict source name.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#ENCHANTMENT_CONFLICT_V1 ENCHANTMENT_CONFLICT_V1}
      *
      * @return The conflict source name.
      */
@@ -91,6 +109,9 @@ public class ConflictBuilder {
 
     /**
      * Gets conflict name.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#ENCHANTMENT_CONFLICT_V1 ENCHANTMENT_CONFLICT_V1}
      *
      * @return The conflict name.
      */
@@ -101,6 +122,9 @@ public class ConflictBuilder {
 
     /**
      * Gets stored conflicting enchantment names.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#ENCHANTMENT_CONFLICT_V1 ENCHANTMENT_CONFLICT_V1}
      *
      * @return The stored enchantment names.
      */
@@ -111,6 +135,9 @@ public class ConflictBuilder {
 
     /**
      * Gets stored conflicting enchantment keys.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#ENCHANTMENT_CONFLICT_V1 ENCHANTMENT_CONFLICT_V1}
      *
      * @return The stored enchantment keys.
      */
@@ -121,6 +148,9 @@ public class ConflictBuilder {
 
     /**
      * Gets stored excluded group names.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#ENCHANTMENT_CONFLICT_V1 ENCHANTMENT_CONFLICT_V1}
      *
      * @return The stored group names.
      */
@@ -136,6 +166,9 @@ public class ConflictBuilder {
      * That mean new enchantment will not be able to be added to the item and present enchantment will not have its level upgraded.
      * <p>
      * In vanilla. material restriction have this value set to 0 and enchantment conflict set to 1.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#ENCHANTMENT_CONFLICT_V1 ENCHANTMENT_CONFLICT_V1}
      *
      * @return the max number of conflicting enchantment before conflict. 0 by default.
      */
@@ -145,6 +178,9 @@ public class ConflictBuilder {
 
     /**
      * Sets conflict name.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#ENCHANTMENT_CONFLICT_V1 ENCHANTMENT_CONFLICT_V1}
      *
      * @param name The name
      * @return This conflict builder instance.
@@ -161,6 +197,9 @@ public class ConflictBuilder {
      * That mean new enchantment will not be able to be added to the item and present enchantment will not have its level upgraded.
      * <p>
      * In vanilla. material restriction have this value set to 0 and enchantment conflict set to 1.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#ENCHANTMENT_CONFLICT_V1 ENCHANTMENT_CONFLICT_V1}
      *
      * @param maxBeforeConflict The max before conflict
      * @return This conflict builder instance.
@@ -172,6 +211,9 @@ public class ConflictBuilder {
 
     /**
      * Add a conflicting enchantment by name.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#ENCHANTMENT_CONFLICT_V1 ENCHANTMENT_CONFLICT_V1}
      *
      * @param enchantmentName The enchantment name
      * @return This conflict builder instance.
@@ -184,6 +226,9 @@ public class ConflictBuilder {
 
     /**
      * Add a conflicting enchantment by key.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#ENCHANTMENT_CONFLICT_V1 ENCHANTMENT_CONFLICT_V1}
      *
      * @param enchantmentKey The enchantment key
      * @return This conflict builder instance.
@@ -196,6 +241,9 @@ public class ConflictBuilder {
 
     /**
      * Add a conflicting enchantment by instance.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#ENCHANTMENT_CONFLICT_V1 ENCHANTMENT_CONFLICT_V1}
      *
      * @param enchantment The enchantment
      * @return This conflict builder instance.
@@ -208,6 +256,9 @@ public class ConflictBuilder {
 
     /**
      * Remove conflicting enchantment by name.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#ENCHANTMENT_CONFLICT_V1 ENCHANTMENT_CONFLICT_V1}
      *
      * @param enchantmentName The enchantment name
      * @return This conflict builder instance.
@@ -220,6 +271,9 @@ public class ConflictBuilder {
 
     /**
      * Remove conflicting enchantment by key.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#ENCHANTMENT_CONFLICT_V1 ENCHANTMENT_CONFLICT_V1}
      *
      * @param enchantmentKey The enchantment key
      * @return This conflict builder instance.
@@ -232,6 +286,9 @@ public class ConflictBuilder {
 
     /**
      * Remove enchantment by instance.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#ENCHANTMENT_CONFLICT_V1 ENCHANTMENT_CONFLICT_V1}
      *
      * @param enchantment The enchantment
      * @return This conflict builder instance.
@@ -251,6 +308,9 @@ public class ConflictBuilder {
      * For example: If we exclude a material group containing every pickaxe and add efficiency enchantment
      * with {@link #setMaxBeforeConflict(int) maxBeforeConflict} set to 0.
      * Then only pickaxe will be able to have efficiency.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#ENCHANTMENT_CONFLICT_V1 ENCHANTMENT_CONFLICT_V1}
      *
      * @param groupName The group name
      * @return This conflict builder instance.
@@ -271,6 +331,9 @@ public class ConflictBuilder {
      * For example: If we exclude a material group containing every pickaxe and add efficiency enchantment
      * with {@link #setMaxBeforeConflict(int) maxBeforeConflict} set to 0.
      * Then only pickaxe will be able to have efficiency.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#ENCHANTMENT_CONFLICT_V1 ENCHANTMENT_CONFLICT_V1}
      *
      * @param group The group
      * @return this conflict builder instance.
@@ -290,6 +353,9 @@ public class ConflictBuilder {
      * For example: If we exclude a material group containing every pickaxe and add efficiency enchantment
      * with {@link #setMaxBeforeConflict(int) maxBeforeConflict} set to 0.
      * Then only pickaxe will be able to have efficiency.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#ENCHANTMENT_CONFLICT_V1 ENCHANTMENT_CONFLICT_V1}
      *
      * @param groupName The group name
      * @return This conflict builder instance.
@@ -310,6 +376,9 @@ public class ConflictBuilder {
      * For example: If we exclude a material group containing every pickaxe and add efficiency enchantment
      * with {@link #setMaxBeforeConflict(int) maxBeforeConflict} set to 0.
      * Then only pickaxe will be able to have efficiency.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#ENCHANTMENT_CONFLICT_V1 ENCHANTMENT_CONFLICT_V1}
      *
      * @param group The group
      * @return This conflict builder instance.
@@ -321,6 +390,9 @@ public class ConflictBuilder {
 
     /**
      * Copy this conflict builder.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#ENCHANTMENT_CONFLICT_V1 ENCHANTMENT_CONFLICT_V1}
      *
      * @return A copy of this conflict builder.
      */
@@ -348,6 +420,9 @@ public class ConflictBuilder {
 
     /**
      * Build a new Enchant conflict group by this builder.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#ENCHANTMENT_CONFLICT_V1 ENCHANTMENT_CONFLICT_V1}
      *
      * @return An Enchant conflict group with this builder parameters.
      */
@@ -362,6 +437,9 @@ public class ConflictBuilder {
     /**
      * Register this conflict if not yet registered.
      * Equivalent to {@link ConflictAPI#addConflict(ConflictBuilder, boolean) ConflictAPI.addConflict(this, true)}}
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#ENCHANTMENT_CONFLICT_V1 ENCHANTMENT_CONFLICT_V1}
      *
      * @return True if successful.
      */
@@ -372,6 +450,9 @@ public class ConflictBuilder {
     /**
      * Register this conflict if not yet registered or deleted.
      * Equivalent to {@link ConflictAPI#addConflict(ConflictBuilder) ConflictAPI.addConflict(this)}
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#ENCHANTMENT_CONFLICT_V1 ENCHANTMENT_CONFLICT_V1}
      *
      * @return True if successful.
      */
@@ -381,6 +462,9 @@ public class ConflictBuilder {
 
     /**
      * Append builders stored enchantments into conflict.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#ENCHANTMENT_CONFLICT_V1 ENCHANTMENT_CONFLICT_V1}
      *
      * @param conflict The conflict target
      */
@@ -401,6 +485,9 @@ public class ConflictBuilder {
 
     /**
      * Append an enchantment.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#ENCHANTMENT_CONFLICT_V1 ENCHANTMENT_CONFLICT_V1}
      *
      * @param conflict    The conflict target
      * @param enchantment The enchantment
@@ -415,6 +502,9 @@ public class ConflictBuilder {
 
     /**
      * Append a list of enchantments.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#ENCHANTMENT_CONFLICT_V1 ENCHANTMENT_CONFLICT_V1}
      *
      * @param conflict     The conflict target
      * @param enchantments List of enchantment to add
@@ -433,6 +523,9 @@ public class ConflictBuilder {
 
     /**
      * Extract group abstract material group.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#ENCHANTMENT_CONFLICT_V1 ENCHANTMENT_CONFLICT_V1}
      *
      * @return The abstract material group from the builder.
      */
diff --git a/src/main/java/xyz/alexcrea/cuanvil/api/CustomAnvilRecipeApi.java b/src/main/java/xyz/alexcrea/cuanvil/api/CustomAnvilRecipeApi.java
index 8f80aa3..b923888 100644
--- a/src/main/java/xyz/alexcrea/cuanvil/api/CustomAnvilRecipeApi.java
+++ b/src/main/java/xyz/alexcrea/cuanvil/api/CustomAnvilRecipeApi.java
@@ -13,6 +13,9 @@ import java.util.List;
 
 /**
  * Custom Anvil api for custom anvil recipes.
+ * <p>
+ * This is part of
+ * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#CUSTOM_RECIPE_V1 CUSTOM_RECIPE_V1}
  */
 @SuppressWarnings("unused")
 public class CustomAnvilRecipeApi {
@@ -24,6 +27,9 @@ public class CustomAnvilRecipeApi {
     /**
      * Write and add a custom anvil recipe.
      * Will not write the recipe if it already exists.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#CUSTOM_RECIPE_V1 CUSTOM_RECIPE_V1}
      *
      * @param builder The recipe builder to be based on
      * @return True if successful.
@@ -35,6 +41,9 @@ public class CustomAnvilRecipeApi {
     /**
      * Write and add a custom anvil recipe.
      * Will not write the recipe if it already exists.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#CUSTOM_RECIPE_V1 CUSTOM_RECIPE_V1}
      *
      * @param builder The recipe builder to be based on
      * @param overrideDeleted If we should write even if the recipe was previously deleted.
@@ -81,6 +90,9 @@ public class CustomAnvilRecipeApi {
     // TODO remove by name and/or by builder (as name is keept) (and maybe create a get by name)
     /**
      * Remove a custom anvil recipe.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#CUSTOM_RECIPE_V1 CUSTOM_RECIPE_V1}
      *
      * @param recipe The recipe to remove
      * @return True if successful.
@@ -103,6 +115,9 @@ public class CustomAnvilRecipeApi {
 
     /**
      * Prepare a task to save custom recipe configuration.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#CUSTOM_RECIPE_V1 CUSTOM_RECIPE_V1}
      */
     private static void prepareSaveTask() {
         if(saveChangeTask != null) return;
@@ -115,6 +130,10 @@ public class CustomAnvilRecipeApi {
 
     /**
      * Get every registered recipes.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#CUSTOM_RECIPE_V1 CUSTOM_RECIPE_V1}
+     *
      * @return An immutable collection of recipes.
      */
     @NotNull
diff --git a/src/main/java/xyz/alexcrea/cuanvil/api/EnchantmentApi.java b/src/main/java/xyz/alexcrea/cuanvil/api/EnchantmentApi.java
index 76f1ac2..d87bc2a 100644
--- a/src/main/java/xyz/alexcrea/cuanvil/api/EnchantmentApi.java
+++ b/src/main/java/xyz/alexcrea/cuanvil/api/EnchantmentApi.java
@@ -23,6 +23,9 @@ import java.util.Map;
 
 /**
  * Custom Anvil api for enchantment registry.
+ * <p>
+ * This is part of
+ * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#ENCHANTMENT_REGISTER_V1 ENCHANTMENT_REGISTER_V1}
  */
 @SuppressWarnings("unused")
 public class EnchantmentApi {
@@ -33,6 +36,9 @@ public class EnchantmentApi {
 
     /**
      * Register an enchantment.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#ENCHANTMENT_REGISTER_V1 ENCHANTMENT_REGISTER_V1}
      *
      * @param enchantment The enchantment to register
      * @return True if successful.
@@ -56,6 +62,9 @@ public class EnchantmentApi {
 
     /**
      * Register an enchantment by minecraft registered enchantment instance.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#ENCHANTMENT_REGISTER_V1 ENCHANTMENT_REGISTER_V1}
      *
      * @param enchantment   The enchantment to register
      * @param defaultRarity The default rarity of the provided enchantment
@@ -72,6 +81,9 @@ public class EnchantmentApi {
      * Register an enchantment by minecraft registered enchantment instance.
      * <p>
      * Please note that this function assume the provided enchantment is registered into minecraft registry.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#ENCHANTMENT_REGISTER_V1 ENCHANTMENT_REGISTER_V1}
      *
      * @param enchantment The enchantment to register
      * @return True if successful.
@@ -82,6 +94,9 @@ public class EnchantmentApi {
 
     /**
      * Unregister an enchantment.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#ENCHANTMENT_REGISTER_V1 ENCHANTMENT_REGISTER_V1}
      *
      * @param enchantment The enchantment to unregister
      * @return True if successful.
@@ -100,6 +115,9 @@ public class EnchantmentApi {
 
     /**
      * Unregister an enchantment by its key.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#ENCHANTMENT_REGISTER_V1 ENCHANTMENT_REGISTER_V1}
      *
      * @param key The enchantment key to unregister
      * @return True if successful.
@@ -111,6 +129,9 @@ public class EnchantmentApi {
 
     /**
      * Unregister an enchantment by his bukkit enchantment.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#ENCHANTMENT_REGISTER_V1 ENCHANTMENT_REGISTER_V1}
      *
      * @param enchantment The enchantment to unregister
      * @return True if successful.
@@ -121,6 +142,9 @@ public class EnchantmentApi {
 
     /**
      * Get by key an enchantment.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#ENCHANTMENT_REGISTER_V1 ENCHANTMENT_REGISTER_V1}
      *
      * @param key The key used to fetch
      * @return The custom anvil enchantment of this key. null if not found.
@@ -132,6 +156,9 @@ public class EnchantmentApi {
 
     /**
      * Get by name an enchantment.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#ENCHANTMENT_REGISTER_V1 ENCHANTMENT_REGISTER_V1}
      *
      * @param name The name used to fetch
      * @return The custom anvil enchantment of this name. null if not found.
@@ -145,6 +172,9 @@ public class EnchantmentApi {
 
     /**
      * Get list of enchantment using the provided name.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#ENCHANTMENT_REGISTER_V1 ENCHANTMENT_REGISTER_V1}
      *
      * @param name The name used to fetch
      * @return List of custom anvil enchantments of this name. May be empty if not found.
@@ -155,6 +185,10 @@ public class EnchantmentApi {
 
     /**
      * Get every registered custom anvil enchantments.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#ENCHANTMENT_REGISTER_V1 ENCHANTMENT_REGISTER_V1}
+
      * @return An immutable map of enchantment key as map key and custom anvil enchantment as value.
      */
     @NotNull
@@ -164,6 +198,10 @@ public class EnchantmentApi {
 
     /**
      * Write the default level and rarity configuration of the enchantment.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#ENCHANTMENT_REGISTER_V1 ENCHANTMENT_REGISTER_V1}
+     *
      * @param enchantment The enchantment to write default configuration
      * @param override If it should override old configuration
      * @return Return false if override is false and a configuration exist. true otherwise.
@@ -205,6 +243,9 @@ public class EnchantmentApi {
 
     /**
      * Prepare a task to save custom recipe configuration.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#ENCHANTMENT_REGISTER_V1 ENCHANTMENT_REGISTER_V1}
      */
     private static void prepareSaveTask() {
         if(saveChangeTask != null) return;
@@ -217,6 +258,10 @@ public class EnchantmentApi {
 
     /**
      * Add a bulk get operator.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#ENCHANTMENT_REGISTER_V1 ENCHANTMENT_REGISTER_V1}
+     *
      * @param operation An optimised get enchantments operation
      */
     public static void addBulkGet(@NotNull BulkGetEnchantOperation operation){
@@ -225,6 +270,10 @@ public class EnchantmentApi {
 
     /**
      * Add a bulk clean operator.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#ENCHANTMENT_REGISTER_V1 ENCHANTMENT_REGISTER_V1}
+     *
      * @param operation An optimised clean enchantments operation
      */
     public static void addBulkClean(@NotNull BulkCleanEnchantOperation operation){
diff --git a/src/main/java/xyz/alexcrea/cuanvil/api/MaterialGroupApi.java b/src/main/java/xyz/alexcrea/cuanvil/api/MaterialGroupApi.java
index 48dd500..7474174 100644
--- a/src/main/java/xyz/alexcrea/cuanvil/api/MaterialGroupApi.java
+++ b/src/main/java/xyz/alexcrea/cuanvil/api/MaterialGroupApi.java
@@ -18,6 +18,9 @@ import java.util.*;
 
 /**
  * Custom Anvil api for material group registry.
+ * <p>
+ * This is part of
+ * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#MATERIAL_GROUP_V1 MATERIAL_GROUP_V1}
  */
 @SuppressWarnings("unused")
 public class MaterialGroupApi {
@@ -32,6 +35,9 @@ public class MaterialGroupApi {
      * Write and add a group.
      * Will not write the group if it already exists.
      * Will not be successful if the group is empty.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#MATERIAL_GROUP_V1 MATERIAL_GROUP_V1}
      *
      * @param group The group to add
      * @return true if successful.
@@ -44,6 +50,9 @@ public class MaterialGroupApi {
      * Write and add a group.
      * Will not write the group if it already exists.
      * Will not be successful if the group is empty.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#MATERIAL_GROUP_V1 MATERIAL_GROUP_V1}
      *
      * @param group           The group to add
      * @param overrideDeleted If we should write even if the group was previously deleted.
@@ -77,6 +86,9 @@ public class MaterialGroupApi {
      * Write a material group to the config file and plan an update of groups.
      * <p>
      * You may want to use {@link #addMaterialGroup(AbstractMaterialGroup)} instead as it is more performance in most case as this function will reload every conflict.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#MATERIAL_GROUP_V1 MATERIAL_GROUP_V1}
      *
      * @param group the group to write
      * @return true if was written successfully.
@@ -89,6 +101,9 @@ public class MaterialGroupApi {
      * Write a material group to the config file.
      * <p>
      * You should use {@link #addMaterialGroup(AbstractMaterialGroup)} or {@link #writeMaterialGroup(AbstractMaterialGroup)} instead
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#MATERIAL_GROUP_V1 MATERIAL_GROUP_V1}
      *
      * @param group         the group to write
      * @param updatePlanned if we should plan a global update for material groups
@@ -175,6 +190,9 @@ public class MaterialGroupApi {
      * Remove a material group.
      * Caution ! It will not be removed from depending conflict or other material group at runtime.
      * For that reason, it is not recommended to use this function.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#MATERIAL_GROUP_V1 MATERIAL_GROUP_V1}
      *
      * @param group The recipe to remove
      * @return True if the group was present.
@@ -199,6 +217,9 @@ public class MaterialGroupApi {
 
     /**
      * Prepare a task to reload every conflict.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#MATERIAL_GROUP_V1 MATERIAL_GROUP_V1}
      */
     private static void prepareSaveTask() {
         if (saveChangeTask != null) return;
@@ -211,6 +232,9 @@ public class MaterialGroupApi {
 
     /**
      * Prepare a task to save configuration.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#MATERIAL_GROUP_V1 MATERIAL_GROUP_V1}
      */
     private static void prepareUpdateTask() {
         if (reloadChangeTask != null) return;
@@ -228,6 +252,9 @@ public class MaterialGroupApi {
 
     /**
      * Get by name a group.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#MATERIAL_GROUP_V1 MATERIAL_GROUP_V1}
      *
      * @param groupName the group name used to fetch
      * @return the abstract group of this name. null if not found.
@@ -239,6 +266,9 @@ public class MaterialGroupApi {
 
     /**
      * Get every registered material groups.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#MATERIAL_GROUP_V1 MATERIAL_GROUP_V1}
      *
      * @return An immutable map of group name as its key and group as mapped value.
      */
diff --git a/src/main/java/xyz/alexcrea/cuanvil/api/UnitRepairApi.java b/src/main/java/xyz/alexcrea/cuanvil/api/UnitRepairApi.java
index bc50c16..14d87bf 100644
--- a/src/main/java/xyz/alexcrea/cuanvil/api/UnitRepairApi.java
+++ b/src/main/java/xyz/alexcrea/cuanvil/api/UnitRepairApi.java
@@ -18,11 +18,15 @@ import java.util.List;
 
 /**
  * Custom Anvil api for unit repair.
+ * <p>
+ * This is part of
+ * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#UNIT_REPAIR_V1 UNIT_REPAIR_V1}
  */
 @SuppressWarnings("unused")
 public class UnitRepairApi {
 
-    private UnitRepairApi(){}
+    private UnitRepairApi() {
+    }
 
     private static Object saveChangeTask = null;
 
@@ -30,31 +34,40 @@ public class UnitRepairApi {
      * Write and add a custom anvil unit repair recipe.
      * Will not write the recipe if it already exists or was deleted.
      * Set the value to minecraft default value (0.25 = 25%)
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#UNIT_REPAIR_V1 UNIT_REPAIR_V1}
      *
      * @param unit       The unit material used to repair the bellow item.
      * @param repairable The item to be repaired.
      * @return true if successful.
      */
-    public static boolean addUnitRepair(@NotNull Material unit, @NotNull Material repairable){
+    public static boolean addUnitRepair(@NotNull Material unit, @NotNull Material repairable) {
         return addUnitRepair(unit, repairable, 0.25, false);
     }
 
     /**
      * Write and add a custom anvil unit repair recipe.
      * Will not write the recipe if it already exists or was deleted.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#UNIT_REPAIR_V1 UNIT_REPAIR_V1}
      *
      * @param unit       The unit material used to repair the bellow item.
      * @param repairable The item to be repaired.
      * @param value      The amount to be repaired by every unit. (1% = 0.01)
      * @return true if successful.
      */
-    public static boolean addUnitRepair(@NotNull Material unit, @NotNull Material repairable, double value){
+    public static boolean addUnitRepair(@NotNull Material unit, @NotNull Material repairable, double value) {
         return addUnitRepair(unit, repairable, value, false);
     }
 
     /**
      * Write and add a custom anvil unit repair recipe.
      * Will not write the recipe if it already exists.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#UNIT_REPAIR_V1 UNIT_REPAIR_V1}
      *
      * @param unit            The unit material used to repair the bellow item.
      * @param repairable      The item to be repaired.
@@ -62,12 +75,12 @@ public class UnitRepairApi {
      * @param overrideDeleted If we should write even if the recipe was previously deleted.
      * @return true if successful.
      */
-    public static boolean addUnitRepair(@NotNull Material unit, @NotNull Material repairable, double value, boolean overrideDeleted){
+    public static boolean addUnitRepair(@NotNull Material unit, @NotNull Material repairable, double value, boolean overrideDeleted) {
         FileConfiguration config = ConfigHolder.UNIT_REPAIR_HOLDER.getConfig();
         String path = unit.name().toLowerCase() + "." + repairable.name().toLowerCase();
 
-        if(!overrideDeleted && ConfigHolder.UNIT_REPAIR_HOLDER.isDeleted(path)) return false;
-        if(config.contains(path)) return false;
+        if (!overrideDeleted && ConfigHolder.UNIT_REPAIR_HOLDER.isDeleted(path)) return false;
+        if (config.contains(path)) return false;
 
         // Set unit repair
         return setUnitRepair(unit, repairable, value);
@@ -76,13 +89,16 @@ public class UnitRepairApi {
     /**
      * Write and add a custom anvil unit repair recipe.
      * Do not check if it previously existed or exist.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#UNIT_REPAIR_V1 UNIT_REPAIR_V1}
      *
      * @param unit       The unit material used to repair the bellow item.
      * @param repairable The item to be repaired.
      * @param value      The amount to be repaired by every unit. (1% = 0.01)
      * @return true if successful.
      */
-    public static boolean setUnitRepair(@NotNull Material unit, @NotNull Material repairable, double value){
+    public static boolean setUnitRepair(@NotNull Material unit, @NotNull Material repairable, double value) {
         FileConfiguration config = ConfigHolder.UNIT_REPAIR_HOLDER.getConfig();
 
         String repairableName = repairable.name().toLowerCase();
@@ -94,10 +110,10 @@ public class UnitRepairApi {
 
         // Add to gui
         UnitRepairConfigGui repairConfigGui = UnitRepairConfigGui.getCurrentInstance();
-        if(repairConfigGui != null) {
+        if (repairConfigGui != null) {
             UnitRepairElementListGui elementGui = repairConfigGui.getInstanceOrCreate(unit).getStored();
 
-            if(elementGui != null) elementGui.updateValueForGeneric(repairableName, true);
+            if (elementGui != null) elementGui.updateValueForGeneric(repairableName, true);
             repairConfigGui.updateValueForGeneric(unit, true);
         }
 
@@ -106,12 +122,15 @@ public class UnitRepairApi {
 
     /**
      * Remove a custom anvil unit repair recipe.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#UNIT_REPAIR_V1 UNIT_REPAIR_V1}
      *
      * @param unit       The unit material used to repair the bellow item.
      * @param repairable The item used to be repaired.
      * @return true if successful.
      */
-    public static boolean removeUnitRepair(@NotNull Material unit, @NotNull Material repairable){
+    public static boolean removeUnitRepair(@NotNull Material unit, @NotNull Material repairable) {
         // Delete every possible variation and save to file
         String unitName = unit.name();
         String repairableName = repairable.name();
@@ -124,17 +143,17 @@ public class UnitRepairApi {
 
         // Test if it was the last value of this section
         boolean lastValue = false;
-        if(config.isConfigurationSection(unitName.toLowerCase())) {
+        if (config.isConfigurationSection(unitName.toLowerCase())) {
             ConfigurationSection section = config.getConfigurationSection(unitName.toLowerCase());
 
-            if(section != null && section.getKeys(false).isEmpty()) {
+            if (section != null && section.getKeys(false).isEmpty()) {
                 lastValue = true;
                 config.set(unitName.toLowerCase(), null);
             }
 
         } else if (config.isConfigurationSection(unitName.toUpperCase())) {
             ConfigurationSection section = config.getConfigurationSection(unitName.toUpperCase());
-            if(section != null && section.getKeys(false).isEmpty()) {
+            if (section != null && section.getKeys(false).isEmpty()) {
                 lastValue = true;
                 config.set(unitName.toUpperCase(), null);
             }
@@ -148,11 +167,11 @@ public class UnitRepairApi {
 
         // Remove from gui
         UnitRepairConfigGui repairConfigGui = UnitRepairConfigGui.getCurrentInstance();
-        if(repairConfigGui != null) {
+        if (repairConfigGui != null) {
             UnitRepairElementListGui elementGui = repairConfigGui.getInstanceOrCreate(unit).getStored();
 
-            if(elementGui != null) elementGui.removeGeneric(repairableName);
-            if(lastValue){
+            if (elementGui != null) elementGui.removeGeneric(repairableName);
+            if (lastValue) {
                 repairConfigGui.removeGeneric(unit);
             }
         }
@@ -162,11 +181,14 @@ public class UnitRepairApi {
 
     /**
      * Prepare a task to save custom unit repair recipe configuration.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#UNIT_REPAIR_V1 UNIT_REPAIR_V1}
      */
     private static void prepareSaveTask() {
-        if(saveChangeTask != null) return;
+        if (saveChangeTask != null) return;
 
-        saveChangeTask = DependencyManager.scheduler.scheduleGlobally(CustomAnvil.instance, ()->{
+        saveChangeTask = DependencyManager.scheduler.scheduleGlobally(CustomAnvil.instance, () -> {
             ConfigHolder.UNIT_REPAIR_HOLDER.saveToDisk(true);
             saveChangeTask = null;
         });
@@ -174,6 +196,10 @@ public class UnitRepairApi {
 
     /**
      * Get every unit repair recipes.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#UNIT_REPAIR_V1 UNIT_REPAIR_V1}
+     *
      * @return An immutable collection of unit repair recipes.
      * <p>
      * Each element of the provided triple represent a part of the recipe
@@ -184,27 +210,27 @@ public class UnitRepairApi {
      * </ul>
      */
     @NotNull
-    public static List<Triple<Material, Material, Double>> getUnitRepairs(){
+    public static List<Triple<Material, Material, Double>> getUnitRepairs() {
         List<Triple<Material, Material, Double>> mutableList = new ArrayList<>();
 
         FileConfiguration config = ConfigHolder.UNIT_REPAIR_HOLDER.getConfig();
         for (String unitKey : config.getKeys(false)) {
             // Test if config section exist
-            if(!config.isConfigurationSection(unitKey)) continue;
+            if (!config.isConfigurationSection(unitKey)) continue;
 
             // Test if unit is a material
             Material unit = Material.getMaterial(unitKey.toUpperCase());
-            if(unit == null) continue;
+            if (unit == null) continue;
 
             // Iterate over reparable items
             ConfigurationSection section = config.getConfigurationSection(unitKey);
             for (String repairableKey : section.getKeys(false)) {
                 // Test if value section exist
-                if(!section.isDouble(repairableKey)) continue;
+                if (!section.isDouble(repairableKey)) continue;
 
                 // Test if repairable is valid a material
                 Material repairable = Material.getMaterial(repairableKey.toUpperCase());
-                if(repairable == null) continue;
+                if (repairable == null) continue;
 
                 // Add the values
                 mutableList.add(new Triple<>(unit, repairable, section.getDouble(repairableKey)));
diff --git a/src/main/java/xyz/alexcrea/cuanvil/api/data/CAApiFlags.java b/src/main/java/xyz/alexcrea/cuanvil/api/data/CAApiFlags.java
new file mode 100644
index 0000000..c8d6e3a
--- /dev/null
+++ b/src/main/java/xyz/alexcrea/cuanvil/api/data/CAApiFlags.java
@@ -0,0 +1,42 @@
+package xyz.alexcrea.cuanvil.api.data;
+
+import java.util.Collections;
+import java.util.EnumSet;
+import java.util.List;
+import java.util.Set;
+
+public enum CAApiFlags {
+
+    ENCHANTMENT_REGISTER_V1,
+    ENCHANTMENT_CONFLICT_V1,
+    CUSTOM_RECIPE_V1,
+    UNIT_REPAIR_V1,
+
+    MATERIAL_GROUP_V1,
+
+    CONFIG_EVENTS_V1,
+    LISTENER_EVENTS_V1,
+    ;
+
+    private static final Set<CAApiFlags> CURRENT_FLAGS = EnumSet.of(
+            ENCHANTMENT_REGISTER_V1,
+            ENCHANTMENT_CONFLICT_V1,
+            CUSTOM_RECIPE_V1,
+            UNIT_REPAIR_V1,
+
+            MATERIAL_GROUP_V1,
+
+            CONFIG_EVENTS_V1,
+            LISTENER_EVENTS_V1
+    );
+
+    public static Set<CAApiFlags> getCurrentFlags() {
+        return Collections.unmodifiableSet(CURRENT_FLAGS);
+    }
+
+    public boolean hasFlags(CAApiFlags... flag) {
+        return CURRENT_FLAGS.containsAll(List.of(flag));
+    }
+
+
+}
diff --git a/src/main/java/xyz/alexcrea/cuanvil/api/event/CAConfigReadyEvent.java b/src/main/java/xyz/alexcrea/cuanvil/api/event/CAConfigReadyEvent.java
index 67d27a8..d2fd770 100644
--- a/src/main/java/xyz/alexcrea/cuanvil/api/event/CAConfigReadyEvent.java
+++ b/src/main/java/xyz/alexcrea/cuanvil/api/event/CAConfigReadyEvent.java
@@ -19,6 +19,9 @@ import org.bukkit.event.HandlerList;
  * {@link xyz.alexcrea.cuanvil.api.MaterialGroupApi MaterialGroupApi}
  * and {@link xyz.alexcrea.cuanvil.api.UnitRepairApi UnitRepairApi}
  * to add/remove/edit configurations
+ * <p>
+ * This is part of
+ * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#CONFIG_EVENTS_V1 CONFIG_EVENTS_V1}
  */
 public class CAConfigReadyEvent extends Event {
 
diff --git a/src/main/java/xyz/alexcrea/cuanvil/api/event/CAEnchantRegistryReadyEvent.java b/src/main/java/xyz/alexcrea/cuanvil/api/event/CAEnchantRegistryReadyEvent.java
index 3ffe372..9f4507c 100644
--- a/src/main/java/xyz/alexcrea/cuanvil/api/event/CAEnchantRegistryReadyEvent.java
+++ b/src/main/java/xyz/alexcrea/cuanvil/api/event/CAEnchantRegistryReadyEvent.java
@@ -13,6 +13,9 @@ import org.bukkit.event.HandlerList;
  * (after configuration loading phase. see {@link CAConfigReadyEvent})
  * <p>
  * use {@link xyz.alexcrea.cuanvil.api.EnchantmentApi EnchantmentApi} to register and unregister your custom enchantments
+ * <p>
+ * This is part of
+ * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#CONFIG_EVENTS_V1 CONFIG_EVENTS_V1}
  */
 public class CAEnchantRegistryReadyEvent extends Event {
 
diff --git a/src/main/java/xyz/alexcrea/cuanvil/api/event/listener/CAClickResultBypassEvent.java b/src/main/java/xyz/alexcrea/cuanvil/api/event/listener/CAClickResultBypassEvent.java
index a27c65e..f81f08e 100644
--- a/src/main/java/xyz/alexcrea/cuanvil/api/event/listener/CAClickResultBypassEvent.java
+++ b/src/main/java/xyz/alexcrea/cuanvil/api/event/listener/CAClickResultBypassEvent.java
@@ -18,6 +18,9 @@ import org.jetbrains.annotations.NotNull;
  * for this event to be useful.
  * <p>
  * There is also {@link CATreatAnvilResultEvent} that may be better for some use case.
+ * <p>
+ * This is part of
+ * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#LISTENER_EVENTS_V1 LISTENER_EVENTS_V1}
  */
 public class CAClickResultBypassEvent extends Event implements Cancellable {
 
diff --git a/src/main/java/xyz/alexcrea/cuanvil/api/event/listener/CAEarlyPreAnvilBypassEvent.java b/src/main/java/xyz/alexcrea/cuanvil/api/event/listener/CAEarlyPreAnvilBypassEvent.java
index 2fbd275..50831b1 100644
--- a/src/main/java/xyz/alexcrea/cuanvil/api/event/listener/CAEarlyPreAnvilBypassEvent.java
+++ b/src/main/java/xyz/alexcrea/cuanvil/api/event/listener/CAEarlyPreAnvilBypassEvent.java
@@ -17,6 +17,8 @@ import org.jetbrains.annotations.NotNull;
  * <p>
  * It is also recommended that you read about {@link CAPreAnvilBypassEvent} and {@link CATreatAnvilResultEvent}
  * as your use case may be more prone to use theses.
+ * <p>
+ * This is part of {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#LISTENER_EVENTS_V1 LISTENER_EVENTS_V1}
  */
 public class CAEarlyPreAnvilBypassEvent extends Event implements Cancellable {
 
@@ -48,6 +50,9 @@ public class CAEarlyPreAnvilBypassEvent extends Event implements Cancellable {
 
     /**
      * Get the bukkit pre anvil event causing this event
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#LISTENER_EVENTS_V1 LISTENER_EVENTS_V1}
      *
      * @return The pre anvil event causing to this event
      */
diff --git a/src/main/java/xyz/alexcrea/cuanvil/api/event/listener/CAPreAnvilBypassEvent.java b/src/main/java/xyz/alexcrea/cuanvil/api/event/listener/CAPreAnvilBypassEvent.java
index 18334e3..521e7b8 100644
--- a/src/main/java/xyz/alexcrea/cuanvil/api/event/listener/CAPreAnvilBypassEvent.java
+++ b/src/main/java/xyz/alexcrea/cuanvil/api/event/listener/CAPreAnvilBypassEvent.java
@@ -20,6 +20,9 @@ import org.jetbrains.annotations.NotNull;
  * <p>
  * It is also recommended that you read about {@link CAEarlyPreAnvilBypassEvent} and {@link CATreatAnvilResultEvent}
  * as your use case may be more prone to use theses.
+ * <p>
+ * This is part of
+ * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#LISTENER_EVENTS_V1 LISTENER_EVENTS_V1}
  */
 public class CAPreAnvilBypassEvent extends Event implements Cancellable {
 
diff --git a/src/main/java/xyz/alexcrea/cuanvil/api/event/listener/CATreatAnvilResultEvent.java b/src/main/java/xyz/alexcrea/cuanvil/api/event/listener/CATreatAnvilResultEvent.java
index 1675d1a..dce0727 100644
--- a/src/main/java/xyz/alexcrea/cuanvil/api/event/listener/CATreatAnvilResultEvent.java
+++ b/src/main/java/xyz/alexcrea/cuanvil/api/event/listener/CATreatAnvilResultEvent.java
@@ -17,6 +17,8 @@ import xyz.alexcrea.cuanvil.util.AnvilUseType;
  * and {@link CAEarlyPreAnvilBypassEvent} for your use case
  * <p>
  * A null result will cancel this pre anvil event
+ * <p>
+ * This is part of {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#LISTENER_EVENTS_V1 LISTENER_EVENTS_V1}
  */
 @SuppressWarnings("unused")
 public class CATreatAnvilResultEvent extends Event {
@@ -51,6 +53,9 @@ public class CATreatAnvilResultEvent extends Event {
 
     /**
      * Get the bukkit inventory click event causing to this event.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#LISTENER_EVENTS_V1 LISTENER_EVENTS_V1}
      *
      * @return The click event causing to this event.
      */
@@ -60,6 +65,9 @@ public class CATreatAnvilResultEvent extends Event {
 
     /**
      * Get the type of use source of the result.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#LISTENER_EVENTS_V1 LISTENER_EVENTS_V1}
      *
      * @return The craft use type.
      */
@@ -71,6 +79,9 @@ public class CATreatAnvilResultEvent extends Event {
      * Get the current result
      * <p>
      * note that it will not be null unless another listener previously set it to null.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#LISTENER_EVENTS_V1 LISTENER_EVENTS_V1}
      *
      * @return The current result.
      */
@@ -82,6 +93,9 @@ public class CATreatAnvilResultEvent extends Event {
      * Set the current result
      * <p>
      * note that a null result will cancel this anvil use.
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#LISTENER_EVENTS_V1 LISTENER_EVENTS_V1}
      *
      * @param result The new result
      */
@@ -102,6 +116,9 @@ public class CATreatAnvilResultEvent extends Event {
      * <li>Item merge</li>
      * <li>Item rename</li>
      * </ul>
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#LISTENER_EVENTS_V1 LISTENER_EVENTS_V1}
      *
      * @return The current cost.
      */
@@ -122,6 +139,9 @@ public class CATreatAnvilResultEvent extends Event {
      * <li>Item merge</li>
      * <li>Item rename</li>
      * </ul>
+     * <p>
+     * This is part of
+     * {@link xyz.alexcrea.cuanvil.api.data.CAApiFlags#LISTENER_EVENTS_V1 LISTENER_EVENTS_V1}
      *
      * @param levelCost The new cost.
      */