1 files changed, 19 insertions, 0 deletions
diff --git a/src/main/java/me/shedaniel/rei/api/RecipeDisplay.java b/src/main/java/me/shedaniel/rei/api/RecipeDisplay.java
index 4fb564133..9e17159bc 100644
--- a/src/main/java/me/shedaniel/rei/api/RecipeDisplay.java
+++ b/src/main/java/me/shedaniel/rei/api/RecipeDisplay.java
@@ -15,16 +15,35 @@ import java.util.Optional;
 
 public interface RecipeDisplay<T extends Recipe> {
     
+    /**
+     * @return the optional recipe
+     */
     Optional<T> getRecipe();
     
+    /**
+     * @return a list of items
+     */
     List<List<ItemStack>> getInput();
     
+    /**
+     * @return a list of outputs
+     */
     List<ItemStack> getOutput();
     
+    /**
+     * Gets the required items used in craftable filters
+     *
+     * @return the list of required items
+     */
     default List<List<ItemStack>> getRequiredItems() {
         return Lists.newArrayList();
     }
     
+    /**
+     * Gets the recipe display category identifier
+     *
+     * @return the identifier of the category
+     */
     Identifier getRecipeCategory();
     
 }