assertEquals(null, getResponse(methodName).getResult());
  }

  /**
   * Asserts that a prior call that had caused this thread to block or wait has since returned the
   * expected boolean value.
   */
  public void assertPriorCallReturns(boolean expected, @Nullable String methodName)
      throws Exception {
    assertEquals(expected, getResponse(methodName).getResult());
  }

  /**

                out.write(buf, off, len);
                return true;
              }

              @Override
              public byte[] getResult() {
                return out.toByteArray();
              }
            });

    assertExpectedBytes(readBytes);
  }

  public void testHash() throws IOException {

  }

  @CollectionSize.Require(absent = ZERO)
  @MapFeature.Require(SUPPORTS_REMOVE)
  public void testRemoveAllPropagatesToGet() {
    Collection<V> getResult = multimap().get(k0());

    multimap().removeAll(k0());

    assertEmpty(getResult);
    expectMissing(e0());
  }

  @CollectionSize.Require(SEVERAL)
  @MapFeature.Require(SUPPORTS_REMOVE)
  public void testRemoveAllMultipleValues() {

            }
            return true;
          }

          @Override
          public List<String> getResult() {
            return collector;
          }
        };
    Files.readLines(temp, Charsets.UTF_8, collectNonEmptyLines);
    assertThat(collectNonEmptyLines.getResult()).containsExactly("hello", " world  ").inOrder();

    assertTrue(temp.delete());
  }

          int seen;

          @Override
          public boolean processLine(String line) {
            seen++;
            return false;
          }

          @Override
          public Integer getResult() {
            return seen;
          }
        };
    assertEquals(
        "processLine was called more than once",
        1,
        CharStreams.readLines(r, alwaysFalse).intValue());

          int seen;

          @Override
          public boolean processLine(String line) {
            seen++;
            return false;
          }

          @Override
          public Integer getResult() {
            return seen;
          }
        };
    assertEquals(
        "processLine was called more than once",
        1,
        CharStreams.readLines(r, alwaysFalse).intValue());

              public boolean processLine(String line) throws IOException {
                list.add(line);
                return true;
              }

              @Override
              public List<String> getResult() {
                return list;
              }
            });

    assertExpectedLines(list);
  }

  public void testReadLines_withProcessor_stopsOnFalse() throws IOException {

            System.arraycopy(buf, off, processedBytes, pos, len);
            pos += len;
            return true;
          }

          @Override
          public byte[] getResult() {
            return processedBytes;
          }
        };

    source.read(processor);
    assertTrue(source.wasStreamOpened() && source.wasStreamClosed());

                out.write(buf, off, len);
                return true;
              }

              @Override
              public byte[] getResult() {
                return out.toByteArray();
              }
            });

    assertExpectedBytes(readBytes);
  }

  public void testHash() throws IOException {

          @Override
          public boolean processLine(String line) {
            result.add(line);
            return true;
          }

          @Override
          public List<String> getResult() {
            return result;
          }
        });
  }

  /**
   * Copies all bytes from a URL to an output stream.
   *
   * @param from the URL to read from