@SuppressWarnings("unchecked")
  public static <K, V> ImmutableSortedMap<K, V> of() {
    return new Builder<K, V>(NATURAL_ORDER).build();
  }
@SuppressWarnings("unchecked")
  public static <K, V> ImmutableSortedMap<K, V> of() {
    return new Builder<K, V>(NATURAL_ORDER).build();
  }
@ SuppressWarnings ( "unchecked" ) public static < K , V > ImmutableSortedMap < K , V > of ( ) { return new Builder < K , V > ( NATURAL_ORDER ) . build ( ) ; }
Casting to any type is safe because the set will never hold any elements.
Casting to any type is safe because the set will never hold any elements .