docs: static boolean deepEquals(final Object a, final Object b) {
  		if (a == null || b == null) {
  			return a == b;
  		} else if (a instanceof Object[] && b instanceof Object[]) {
  			return Arrays.deepEquals((Object[]) a, (Object[]) b);
  		} else if (a instanceof boolean[] && b instanceof boolean[]) {
  			return Arrays.equals((boolean[]) a, (boolean[]) b);
  		} else if (a instanceof byte[] && b instanceof byte[]) {
  			return Arrays.equals((byte[]) a, (byte[]) b);
  		} else if (a instanceof char[] && b instanceof char[]) {
  			return Arrays.equals((char[]) a, (char[]) b);
  		} else if (a instanceof double[] && b instanceof double[]) {
  			return Arrays.equals((double[]) a, (double[]) b);
  		} else if (a instanceof float[] && b instanceof float[]) {
  			return Arrays.equals((float[]) a, (float[]) b);
  		} else if (a instanceof int[] && b instanceof int[]) {
  			return Arrays.equals((int[]) a, (int[]) b);
  		} else if (a instanceof long[] && b instanceof long[]) {
  			return Arrays.equals((long[]) a, (long[]) b);
  		} else if (a instanceof short[] && b instanceof short[]) {
  			return Arrays.equals((short[]) a, (short[]) b);
  		}
  		return a.equals(b);
  	}
  
  	/**
  	 * Null-safe equivalent of {@code a.equals(b)}.
  	 */
  	static boolean equals(final Object a, final Object b) {
  		return (a == null) ? (b == null) : a.equals(b);
  	}
  
  	/**
  	 * Convenience wrapper for {@link Arrays#hashCode}, adding varargs.
  	 * This can be used to compute a hash code for an object's fields as follows:
  	 * {@code Objects.hash(a, b, c)}.
  	 */
  	static int hash(final Object... values) {
  		return Arrays.hashCode(values);
  	}
  
  	/**
  	 * Returns "null" for null or {@code o.toString()}.
  	 */
  	static String toString(final Object o) {
  		return (o == null) ? "null" : o.toString();
  	}