if ( str == null ) {
            return new byte[0];
        }
        return str.getBytes(encoding);
    }


    /**
     * 
     * @param str
     * @return the string as bytes (UTF16-LE)
     */
    public static byte[] getUNIBytes ( String str ) {
        return getBytes(str, UNI_ENCODING);
    }


    /**
     * 
     * @param str
     * @return the string as bytes (ASCII)
     */

 * string {@code "Foo<Bar>"}.
 *
 * <p><b>Note:</b> This class is similar to {@link CharEscaper} but with one very important
 * difference. A CharEscaper can only process Java <a
 * href="http://en.wikipedia.org/wiki/UTF-16">UTF16</a> characters in isolation and may not cope
 * when it encounters surrogate pairs. This class facilitates the correct escaping of all Unicode
 * characters.
 *

    assertThat(MediaType.parse("text/plain; charset=utf-8").charset()).hasValue(UTF_8);
  }

  @J2ktIncompatible
  @GwtIncompatible // Non-UTF-8 Charset
  public void testGetCharset_utf16() {
    assertThat(MediaType.parse("text/plain; charset=utf-16").charset()).hasValue(UTF_16);
  }

  public void testGetCharset_tooMany() {

    assertThat(MediaType.parse("text/plain; charset=utf-8").charset()).hasValue(UTF_8);
  }

  @J2ktIncompatible
  @GwtIncompatible // Non-UTF-8 Charset
  public void testGetCharset_utf16() {
    assertThat(MediaType.parse("text/plain; charset=utf-16").charset()).hasValue(UTF_16);
  }

  public void testGetCharset_tooMany() {