// Mock implementation
        }

        // Custom join method to avoid overriding final Thread.join()
        public void waitForCompletion(long millis) {
            // Mock implementation
        }

        @Override
        public String getOutput() {
            return output;
        }
    }

    // Mock Process implementation

 * </ul>
 *
 * <h3>Building a {@code Network}</h3>
 *
 * <p>The implementation classes that {@code common.graph} provides are not public, by design. To
 * create an instance of one of the built-in implementations of {@code Network}, use the {@link
 * NetworkBuilder} class:
 *
 * {@snippet :

	// GetObjectNInfo returns a GetObjectReader that satisfies the
	// ReadCloser interface. The Close method runs any cleanup
	// functions, so it must always be called after reading till EOF
	//
	// IMPORTANTLY, when implementations return err != nil, this
	// function MUST NOT return a non-nil ReadCloser.
	GetObjectNInfo(ctx context.Context, bucket, object string, rs *HTTPRangeSpec, h http.Header, opts ObjectOptions) (reader *GetObjectReader, err error)

      TYPE_GOAWAY -> readGoAway(handler, length, flags, streamId)
      TYPE_WINDOW_UPDATE -> readWindowUpdate(handler, length, flags, streamId)
      else -> source.skip(length.toLong()) // Implementations MUST discard frames of unknown types.
    }

    return true
  }

  @Throws(IOException::class)
  private fun readHeaders(
    handler: Handler,
    length: Int,
    flags: Int,

   * {@code iterator().remove()} of an unmodifiable list could throw either {@link
   * IllegalStateException} or {@link UnsupportedOperationException}. Note that iterator
   * implementations should always throw one of the exceptions in a {@code PermittedExceptions}
   * instance, since {@code PermittedExceptions} is thrown only when a method call is invalid.
   *

import java.math.BigInteger;
import java.math.RoundingMode;
import java.util.ArrayList;
import java.util.List;

/**
 * A class for arithmetic on values of type {@code BigInteger}.
 *
 * <p>The implementations of many methods in this class are based on material from Henry S. Warren,
 * Jr.'s <i>Hacker's Delight</i>, (Addison Wesley, 2002).
 *

   * {@code iterator().remove()} of an unmodifiable list could throw either {@link
   * IllegalStateException} or {@link UnsupportedOperationException}. Note that iterator
   * implementations should always throw one of the exceptions in a {@code PermittedExceptions}
   * instance, since {@code PermittedExceptions} is thrown only when a method call is invalid.
   *

   *   attackerCa
   *     -> attackerIntermediate
   *         -> phonyVictim
   * ```
   *
   * Some implementations fail the TLS handshake when they see the long chain, and don't give
   * CertificatePinner the opportunity to produce a different chain from their own. This includes
   * the OpenJDK 11 TLS implementation, which itself fails the handshake when it encounters a non-CA
   * certificate.
   */
  @Test

   * implementations. As a result, we need to make sure our TypeVariable implementation respects
   * symmetry. Moreover, we don't want to reconstruct a native type variable {@code <A>} using our
   * implementation unless some of its bounds have changed in resolution. This avoids creating
   * unequal TypeVariable implementation unnecessarily. When the bounds do change, however, it's

    }

    @Override
    public String toString() {
      return "CharMatcher.or(" + first + ", " + second + ")";
    }
  }

  // Static factory implementations

  /** Implementation of {@link #is(char)}. */
  private static final class Is extends FastMatcher {

    private final char match;

    Is(char match) {
      this.match = match;
    }