assertSame(array, unmod.entries().toArray(array));
    assertThrows(UnsupportedOperationException.class, () -> array[0].setValue(2));
    assertFalse(unmod.entries().contains(nefariousMapEntry("pwnd", 2)));
    assertFalse(unmod.keys().contains("pwnd"));
  }

  /**
   * The supplied multimap will be mutated and an unmodifiable instance used in its stead. The
   * multimap must support null keys and values.
   */

  <mime-type type="application/vnd.3gpp2.sms"/>
  <mime-type type="application/vnd.3gpp2.tcap">
    <glob pattern="*.tcap"/>
  </mime-type>
  <mime-type type="application/vnd.3m.post-it-notes">
    <glob pattern="*.pwn"/>
  </mime-type>
  <mime-type type="application/vnd.accpac.simply.aso">
    <glob pattern="*.aso"/>
  </mime-type>
  <mime-type type="application/vnd.accpac.simply.imp">
    <glob pattern="*.imp"/>