* BloomFilter} with false positive probability 3%.
   *
   * <p>Note that if the {@code Collector} receives significantly more elements than specified, the
   * resulting {@code BloomFilter} will suffer a sharp deterioration of its false positive
   * probability.
   *
   * <p>The constructed {@code BloomFilter} will be serializable if the provided {@code Funnel<T>}
   * is.
   *

    // Ascii.equalsIgnoreCase(), but it is a signal that its documentation may need updating as
    // regards edge cases.

    // The Unicode point {@code 00df} is the lowercase form of sharp-S (ß), whose uppercase is "SS".
    assertThat("pa\u00dfword".toUpperCase()).isEqualTo("PASSWORD"); // [*]
    assertFalse("pa\u00dfword".equalsIgnoreCase("PASSWORD")); // [*]

    // Ascii.equalsIgnoreCase(), but it is a signal that its documentation may need updating as
    // regards edge cases.

    // The Unicode point {@code 00df} is the lowercase form of sharp-S (ß), whose uppercase is "SS".
    assertThat("pa\u00dfword".toUpperCase()).isEqualTo("PASSWORD"); // [*]
    assertFalse("pa\u00dfword".equalsIgnoreCase("PASSWORD")); // [*]