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

  public void testGetCharset() {

      imports = "com.google.common.io.Files")
  public
  static void copy(File from, Charset charset, Appendable to) throws IOException {
    asCharSource(from, charset).copyTo(to);
  }

  /**
   * Appends a character sequence (such as a string) to a file using the given character set.
   *
   * @param from the character sequence to append
   * @param to the destination file

    @Override
    public Hasher putString(CharSequence input, Charset charset) {
      if (charset.equals(UTF_8)) {
        int utf16Length = input.length();
        int i = 0;

        // This loop optimizes for pure ASCII.
        while (i + 4 <= utf16Length) {
          char c0 = input.charAt(i);
          char c1 = input.charAt(i + 1);
          char c2 = input.charAt(i + 2);
          char c3 = input.charAt(i + 3);

  /** Tests that round tripping of all two byte permutations work. */
  @GwtIncompatible // java.nio.charset.Charset
  public void testIsWellFormed_1Byte() {
    testBytes(1, EXPECTED_ONE_BYTE_ROUNDTRIPPABLE_COUNT);
  }

  /** Tests that round tripping of all two byte permutations work. */
  @GwtIncompatible // java.nio.charset.Charset
  public void testIsWellFormed_2Bytes() {
    testBytes(2, EXPECTED_TWO_BYTE_ROUNDTRIPPABLE_COUNT);

  fun string(): String =
    source().use { source ->
      source.readString(charset = source.readBomAsCharset(charset()))
    }

  private fun charset() = contentType().charsetOrUtf8()

  override fun close() = source().closeQuietly()

  internal class BomAwareReader(
    private val source: BufferedSource,
    private val charset: Charset,
  ) : Reader() {
    private var closed: Boolean = false

   * charset} parameter set to the {@link Charset#name name} of the given charset. Only one {@code
   * charset} parameter will be present on the new instance regardless of the number set on this
   * one.
   *
   * <p>If a charset must be specified that is not supported on this JVM (and thus is not
   * representable as a {@link Charset} instance), use {@link #withParameter}.
   */

      imports = "com.google.common.io.Files")
  public
  static void copy(File from, Charset charset, Appendable to) throws IOException {
    asCharSource(from, charset).copyTo(to);
  }

  /**
   * Appends a character sequence (such as a string) to a file using the given character set.
   *
   * @param from the character sequence to append
   * @param to the destination file

 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package okhttp3.logging

import java.io.IOException
import java.nio.charset.Charset
import java.util.TreeSet
import java.util.concurrent.TimeUnit
import okhttp3.Headers
import okhttp3.HttpUrl
import okhttp3.Interceptor
import okhttp3.OkHttpClient
import okhttp3.Response

    }

    /**
     * Gets the pattern for extracting charset from meta tags.
     *
     * @return the meta charset pattern
     */
    public Pattern getMetaCharsetPattern() {
        return metaCharsetPattern;
    }

    /**
     * Sets the pattern for extracting charset from meta tags.
     *
     * @param metaCharsetPattern the meta charset pattern to set
     */

         * @param charset The charset to use for reading.
         * @param maxOutputLineBuffer The maximum number of lines to buffer.
         */
        public InputStreamThread(final InputStream is, final String charset, final int maxOutputLineBuffer) {
            try {
                br = new BufferedReader(new InputStreamReader(is, charset));
            } catch (final UnsupportedEncodingException e) {