content: package net.minecraft.server.management;
  
  import com.google.gson.JsonObject;
  import com.mojang.authlib.GameProfile;
  
  import java.util.UUID;
  
  public class UserListWhitelistEntry extends UserListEntry<GameProfile> {
      public UserListWhitelistEntry(GameProfile profile) {
          super(profile);
      }
  
      public UserListWhitelistEntry(JsonObject json) {
          super(gameProfileFromJsonObject(json), json);
      }
  
      protected void onSerialization(JsonObject data) {
          if (this.getValue() != null) {
              data.addProperty("uuid", this.getValue().getId() == null ? "" : this.getValue().getId().toString());
              data.addProperty("name", this.getValue().getName());
              super.onSerialization(data);
          }
      }
  
      private static GameProfile gameProfileFromJsonObject(JsonObject json) {
          if (json.has("uuid") && json.has("name")) {
              String s = json.get("uuid").getAsString();
              UUID uuid;
  
              try {
                  uuid = UUID.fromString(s);
              } catch (Throwable var4) {
                  return null;
              }
  
              return new GameProfile(uuid, json.get("name").getAsString());
          } else {
              return null;
          }
      }
  }
  