* @throws EOFException if this stream reaches the end before reading all the bytes.
   * @throws IOException if an I/O error occurs.
   */
  public static void readFully(InputStream in, byte[] b, int off, int len) throws IOException {
    int read = read(in, b, off, len);
    if (read != len) {
      throw new EOFException(

 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package okhttp3

import java.io.Closeable
import java.io.EOFException
import java.io.IOException
import java.net.ProtocolException
import okhttp3.internal.http1.HeadersReader
import okio.Buffer
import okio.BufferedSource
import okio.ByteString.Companion.encodeUtf8
import okio.Options

import assertk.assertions.isFalse
import assertk.assertions.isInstanceOf
import assertk.assertions.isLessThan
import assertk.assertions.isNotNull
import assertk.assertions.isNull
import java.io.EOFException
import java.io.IOException
import java.io.InterruptedIOException
import java.net.HttpURLConnection
import java.net.ProtocolException
import java.net.SocketTimeoutException
import java.time.Duration

 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package okhttp3.internal.http1

import java.io.EOFException
import java.io.IOException
import java.net.ProtocolException
import java.util.concurrent.TimeUnit.MILLISECONDS
import okhttp3.Headers
import okhttp3.Headers.Companion.headersOf
import okhttp3.HttpUrl

 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package okhttp3.internal.http2

import java.io.EOFException
import java.io.IOException
import java.io.InterruptedIOException
import java.net.SocketTimeoutException
import java.util.ArrayDeque
import okhttp3.Headers
import okhttp3.internal.concurrent.Lockable

    }
  }

  /**
   * Copy [byteCount] bytes from the file at [pos] into `sink`. It is the
   * caller's responsibility to make sure there are sufficient bytes to read: if there aren't this
   * method throws an `EOFException`.
   */
  fun read(
    pos: Long,
    sink: Buffer,
    byteCount: Long,
  ) {
    if (byteCount < 0L) {
      throw IndexOutOfBoundsException()
    }
    var mutablePos = pos

 */

package com.google.common.io;

import static org.junit.Assert.assertThrows;

import com.google.common.base.Strings;
import com.google.common.collect.ImmutableList;
import java.io.EOFException;
import java.io.FilterReader;
import java.io.IOException;
import java.io.Reader;
import java.io.StringReader;
import java.io.StringWriter;
import java.io.Writer;
import java.nio.CharBuffer;

 */

package com.google.common.io;

import static org.junit.Assert.assertThrows;

import com.google.common.base.Strings;
import com.google.common.collect.ImmutableList;
import java.io.EOFException;
import java.io.FilterReader;
import java.io.IOException;
import java.io.Reader;
import java.io.StringReader;
import java.io.StringWriter;
import java.io.Writer;
import java.nio.CharBuffer;

import assertk.assertThat
import assertk.assertions.isEqualTo
import assertk.assertions.isFalse
import assertk.assertions.isGreaterThan
import assertk.assertions.isLessThan
import assertk.assertions.isTrue
import java.io.EOFException
import java.io.IOException
import java.net.ProtocolException
import java.net.SocketTimeoutException
import java.util.Random
import kotlin.test.assertFailsWith
import okhttp3.FailingCall
import okhttp3.Headers

 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package okhttp3.internal.http2

import java.io.Closeable
import java.io.EOFException
import java.io.IOException
import java.util.logging.Level.FINE
import java.util.logging.Logger
import okhttp3.internal.and
import okhttp3.internal.format
import okhttp3.internal.http2.Http2.CONNECTION_PREFACE