code: @Bean
      public RabbitAdmin rabbitAdmin() {
          final RabbitAdmin rabbitAdmin = new RabbitAdmin(rabbitConnectionFactory);
          rabbitAdmin.setIgnoreDeclarationExceptions(true);
          return rabbitAdmin;
      }
docs: Create a {@link RabbitAdmin} and ignore declaration exceptions.
  {@link RabbitAdmin#setIgnoreDeclarationExceptions(boolean)}
  
  @return the bean