{@java.lang.String name} 
{@java.lang.String label}
{@java.lang.String help}
<div class="form-group">
  <label for="{name}">{label}</label>
  {nested-content}
  {#ifError name}
    <span class="invalid-feedback">​{#error name/}</span>​
  {/ifError}
  {#if help??}
  <small class="form-text text-muted">{help}</small>
  {/if}
</div>