src/main/java/com/helger/genericode/Genericode10Helper.java
@Nonnull
  @ReturnsMutableCopy
  public static ICommonsList <Key> getAllKeys (@Nonnull final ColumnSet aColumnSet)
  {
    final ICommonsList <Key> ret = new CommonsArrayList<> ();
    getAllKeys (aColumnSet, ret);
    return ret;
  }
@Nonnull
  @ReturnsMutableCopy
  public static ICommonsList <Key> getAllKeys (@Nonnull final ColumnSet aColumnSet)
  {
    final ICommonsList <Key> ret = new CommonsArrayList<> ();
    getAllKeys (aColumnSet, ret);
    return ret;
  }
@ Nonnull @ ReturnsMutableCopy public static ICommonsList < Key > getAllKeys ( @ Nonnull final ColumnSet aColumnSet ) { final ICommonsList < Key > ret = new CommonsArrayList <> ( ) ; getAllKeys ( aColumnSet , ret ) ; return ret ; }
Get all contained keys

@param aColumnSet
The column set to scan. May not be <code>null</code>.
@return A non-<code>null</code> list of all keys. Never <code>null</code>
but maybe empty.
Get all contained keys