content: package co.aikar.commands;
  
  import org.jetbrains.annotations.NotNull;
  
  import java.util.Collections;
  import java.util.List;
  
  public class JDACommandCompletions extends CommandCompletions<CommandCompletionContext<?>> {
      private boolean initialized;
  
      public JDACommandCompletions(CommandManager manager) {
          super(manager);
          this.initialized = true;
      }
  
      @Override
      public CommandCompletionHandler registerCompletion(String id, CommandCompletionHandler<CommandCompletionContext<?>> handler) {
          if (initialized) {
              throw new UnsupportedOperationException("JDA Doesn't support Command Completions");
          }
          return null;
      }
  
      @Override
      public CommandCompletionHandler registerAsyncCompletion(String id, AsyncCommandCompletionHandler<CommandCompletionContext<?>> handler) {
          if (initialized) {
              throw new UnsupportedOperationException("JDA Doesn't support Command Completions");
          }
          return null;
      }
  
      @NotNull
      @Override
      List<String> of(RegisteredCommand command, CommandIssuer sender, String[] args, boolean isAsync) {
          return Collections.emptyList();
      }
  
      @Override
      List<String> getCompletionValues(RegisteredCommand command, CommandIssuer sender, String completion, String[] args, boolean isAsync) {
          return Collections.emptyList();
      }
  }
  