@Override
          public void run() {
            delegateForDelayedRuntimeException.set("Should never be seen");
          }
        };

    /** All the futures, together with human-readable names for use by {@link #smartToString}. */
    final ImmutableList<TestFuture> allFutures =
        ImmutableList.of(
            new TestFuture(doneSuccess, "doneSuccess", doNothing),

class LocalCache<K, V> extends AbstractMap<K, V> implements ConcurrentMap<K, V> {

  /*
   * The basic strategy is to subdivide the table among Segments, each of which itself is a
   * concurrently readable hash table. The map supports non-blocking reads and concurrent writes
   * across different segments.
   *
   * If a maximum size is specified, a best-effort bounding is performed per segment, using a

      Readable readable, LineProcessor<T> processor) throws IOException {
    checkNotNull(readable);
    checkNotNull(processor);

    LineReader lineReader = new LineReader(readable);
    String line;
    while ((line = lineReader.readLine()) != null) {
      if (!processor.processLine(line)) {
        break;
      }
    }
    return processor.getResult();
  }

  /**

        break;
      }
      to.write(buf, 0, r);
      total += r;
    }
    return total;
  }

  /**
   * Copies all bytes from the readable channel to the writable channel. Does not close or flush
   * either channel.
   *
   * @param from the readable channel to read from
   * @param to the writable channel to write to
   * @return the number of bytes copied
   * @throws IOException if an I/O error occurs

  }

  public void testNewDataInput_readLine() {
    ByteArrayDataInput in =
        ByteStreams.newDataInput(
            "This is a line\r\nThis too\rand this\nand also this".getBytes(Charsets.UTF_8));
    assertEquals("This is a line", in.readLine());
    assertEquals("This too", in.readLine());
    assertEquals("and this", in.readLine());
    assertEquals("and also this", in.readLine());
  }

            @Override
            public InputStream openStream() throws IOException {
              return openInputStream();
            }
          };
    }
  }

  /**
   * Returns a readable {@link ByteSource} view of the data that has been written to this stream.
   *
   * @since 15.0
   */
  public ByteSource asByteSource() {
    return source;
  }

   * #asMapOfRanges()}.
   */
  @Override
  boolean equals(@CheckForNull Object o);

  /** Returns {@code asMapOfRanges().hashCode()}. */
  @Override
  int hashCode();

  /** Returns a readable string representation of this range map. */
  @Override
  String toString();

        addDoneString(builder);
      } else {
        builder.append("PENDING");
      }
    }
    return builder.append("]").toString();
  }

  /**
   * Provide a human-readable explanation of why this future has not yet completed.
   *
   * @return null if an explanation cannot be provided because the future is done.
   */
  @Nullable
  String pendingToString() {

import java.io.Reader;
import java.nio.charset.Charset;
import java.util.Arrays;
import java.util.Collection;
import java.util.Iterator;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * A readable source of bytes, such as a file. Unlike an {@link InputStream}, a {@code ByteSource}
 * is not an open, stateful stream for input that can be read and closed. Instead, it is an

      return "Functions.toStringFunction()";
    }
  }

  /**
   * Returns the identity function.
   *
   * <p><b>Discouraged:</b> Prefer using a lambda like {@code v -> v}, which is shorter and often
   * more readable.
   */
  // implementation is "fully variant"; E has become a "pass-through" type
  @SuppressWarnings("unchecked")
  public static <E extends @Nullable Object> Function<E, E> identity() {