code: public static FloatBinding nextAfter(final float start, final ObservableFloatValue direction) {
          return createFloatBinding(() -> Math.nextAfter(start, direction.get()), direction);
      }
docs: Binding for {@link java.lang.Math#nextAfter(float, double)}
  
  @param start  starting floating-point value
  @param direction value indicating which of
  {@code start}'s neighbors or {@code start} should
  be returned
  @return The floating-point number adjacent to {@code start} in the
  direction of {@code direction}.