SPIGOT-7530, #948: Improve Resource Pack API with new 1.20.3 functionality

By: Doc <nachito94@msn.com>

paper-api/src/main/java/org/bukkit/packs/ResourcePack.java

@@ -0,0 +1,54 @@
+package org.bukkit.packs;
+
+import java.util.UUID;
+import org.jetbrains.annotations.ApiStatus;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+/**
+ * Represents a resource pack.
+ *
+ * @see <a href="https://minecraft.wiki/w/Resource_pack">Minecraft wiki</a>
+ */
+@ApiStatus.Experimental
+public interface ResourcePack {
+
+    /**
+     * Gets the id of the resource pack.
+     *
+     * @return the id
+     */
+    @NotNull
+    public UUID getId();
+
+    /**
+     * Gets the url of the resource pack.
+     *
+     * @return the url
+     */
+    @NotNull
+    public String getUrl();
+
+    /**
+     * Gets the hash of the resource pack.
+     *
+     * @return the hash
+     */
+    @Nullable
+    public String getHash();
+
+    /**
+     * Gets the prompt to show of the resource pack.
+     *
+     * @return the prompt
+     */
+    @Nullable
+    public String getPrompt();
+
+    /**
+     * Gets if the resource pack is required by the server.
+     *
+     * @return True if is required
+     */
+    public boolean isRequired();
+}