@Nonnull
  @ReturnsMutableCopy
  public static CommonsTreeSet <String> getExplodedToSortedSet (@Nonnull final String sSep,
                                                                @Nullable final String sElements)
  {
    return getExploded (sSep, sElements, -1, new CommonsTreeSet <> ());
  }
@ Nonnull @ ReturnsMutableCopy public static CommonsTreeSet < String > getExplodedToSortedSet ( @ Nonnull final String sSep , @ Nullable final String sElements ) { return getExploded ( sSep , sElements , - 1 , new CommonsTreeSet < > ( ) ) ; }
Take a concatenated String and return a sorted {@link CommonsTreeSet} of all
elements in the passed string, using specified separator string.

@param sSep
The separator to use. May not be <code>null</code>.
@param sElements
The concatenated String to convert. May be <code>null</code> or empty.
@return The sorted {@link Set} represented by the passed string. Never
<code>null</code>. If the passed input string is <code>null</code> or
"" an empty list is returned.