code: public static IntegerBinding subtractExact(final int x, final ObservableIntegerValue y) {
          return createIntegerBinding(() -> Math.subtractExact(x, y.get()), y);
      }
docs: Binding for {@link java.lang.Math#subtractExact(int, int)}
  
  @param x the first value
  @param y the second value to subtract from the first
  @return the result
  @throws ArithmeticException if the result overflows an int