Depending on code in this package is bad and will cause you problems with any upgrade! But the 4.x
will be particularly painful to naughty developers that import from this package! We changed a lot
to take advantage of sweet Kotlin features.

#### Credentials.basic()

The username and password parameters to `Credentials.basic()` are now non-null strings. In OkHttp
3.x, null would yield a username or password of "null".

application/vnd.ms-excel=excel\n\
application/vnd.ms-excel.sheet.2=excel\n\
application/vnd.ms-excel.sheet.3=excel\n\
application/vnd.ms-excel.sheet.4=excel\n\
application/vnd.ms-excel.workspace.3=excel\n\
application/vnd.ms-excel.workspace.4=excel\n\
application/vnd.openxmlformats-officedocument.spreadsheetml.sheet=excel\n\
application/vnd.ms-powerpoint=powerpoint\n\

/// info | Info

Wenn Sie bereits das ganze Tutorial durchgearbeitet haben und mehr über Typen erfahren wollen, dann ist eine gute Ressource [der „Cheat Sheet“ von `mypy`](https://mypy.readthedocs.io/en/latest/cheat_sheet_py3.html).

/// info

If you already went through all the tutorial and came back to see more about types, a good resource is [the "cheat sheet" from `mypy`](https://mypy.readthedocs.io/en/latest/cheat_sheet_py3.html).

/// info | Información

Si ya revisaste todo el tutorial y volviste para ver más sobre tipos, un buen recurso es [la "cheat sheet" de `mypy`](https://mypy.readthedocs.io/en/latest/cheat_sheet_py3.html).

/// info | Informação

Se você já passou por todo o tutorial e voltou para ver mais sobre os tipos, um bom recurso é [a "cheat sheet" do `mypy`](https://mypy.readthedocs.io/en/latest/cheat_sheet_py3.html).

      Funnel<? super T> funnel, long expectedInsertions) {
    return create(funnel, expectedInsertions, 0.03); // FYI, for 3%, we always get 5 hash functions
  }

  // Cheat sheet:
  //
  // m: total bits
  // n: expected insertions
  // b: m/n, bits per insertion
  // p: expected false positive probability
  //
  // 1) Optimal k = b * ln2
  // 2) p = (1 - e ^ (-kn/m))^k

     * application/vnd.ms-excel=excel<br>
     * application/vnd.ms-excel.sheet.2=excel<br>
     * application/vnd.ms-excel.sheet.3=excel<br>
     * application/vnd.ms-excel.sheet.4=excel<br>
     * application/vnd.ms-excel.workspace.3=excel<br>
     * application/vnd.ms-excel.workspace.4=excel<br>
     * application/vnd.openxmlformats-officedocument.spreadsheetml.sheet=excel<br>
     * application/vnd.ms-powerpoint=powerpoint<br>

          APPLICATION_TYPE, "vnd.openxmlformats-officedocument.presentationml.presentation");
  public static final MediaType OOXML_SHEET =
      createConstant(APPLICATION_TYPE, "vnd.openxmlformats-officedocument.spreadsheetml.sheet");
  public static final MediaType OPENDOCUMENT_GRAPHICS =
      createConstant(APPLICATION_TYPE, "vnd.oasis.opendocument.graphics");
  public static final MediaType OPENDOCUMENT_PRESENTATION =

         * and increasing the threshold to 2^32 doesn't pay for itself, and adding another enum
         * constant hurts performance further -- I suspect because bimorphic implementation is a
         * sweet spot for the JVM.
         */
        return (a * b) % m;
      }

      @Override
      long squareMod(long a, long m) {
        return (a * a) % m;
      }
    },