protected final void description(@Nullable String d) {
    description(d == null ? null : new BasicDescription(d));
  }
protected final void description(@Nullable String d) {
    description(d == null ? null : new BasicDescription(d));
  }
protected final void description ( @ Nullable String d ) { description ( d == null ? null : new BasicDescription ( d ) ) ; }
Sets the description of the actual value, to be used in as message of any {@code AssertionError} thrown when an
assertion fails.

@param d the new description.
Sets the description of the actual value to be used in as message of any { @code AssertionError } thrown when an assertion fails .