override fun source(): BufferedSource = TODO()

        override fun close() = TODO()
      }
    val byteStream = responseBody.byteStream()
    val source = responseBody.source()
    val bytes = responseBody.bytes()
    val charStream = responseBody.charStream()
    val string = responseBody.string()
    responseBody.close()
    responseBody = "".toResponseBody("".toMediaType())

      checkNotNull(bytes);
      File file = createFile();
      OutputStream out = new FileOutputStream(file);
      try {
        out.write(bytes);
      } finally {
        out.close();
      }
      return Files.asByteSource(file);
    }

    @Override
    public byte[] getExpected(byte[] bytes) {
      return checkNotNull(bytes);
    }
  }

    } finally {
      out.close();
    }

    assertContainsExpectedBytes();
  }

  public void testOpenBufferedStream() throws IOException {
    OutputStream out = sink.openBufferedStream();
    try {
      ByteStreams.copy(new ByteArrayInputStream(data), out);
    } finally {
      out.close();
    }

    assertContainsExpectedBytes();
  }

              throw new IllegalStateException("More than one source open");
            }
            return new FilterInputStream(source.openStream()) {
              @Override
              public void close() throws IOException {
                super.close();
                counter[0]--;
              }
            };
          }
        };
    byte[] result = ByteSource.concat(checker, checker, checker).read();

    } finally {
      out.close();
    }

    assertContainsExpectedBytes();
  }

  public void testOpenBufferedStream() throws IOException {
    OutputStream out = sink.openBufferedStream();
    try {
      ByteStreams.copy(new ByteArrayInputStream(data), out);
    } finally {
      out.close();
    }

    assertContainsExpectedBytes();
  }

        final FileOutputStream outputStream = OutputStreamUtil.create(file);
        PropertiesUtil.store(outProperties, outputStream, "comments");
        CloseableUtil.close(outputStream);
        final Properties properties = new Properties();
        PropertiesUtil.load(properties, file);
        assertThat(properties.getProperty("a"), is("A"));
    }

    /**

		if size != ft.Size {
			t.Errorf("%v: uncompressed size %#x, want %#x", ft.Name, size, ft.Size)
		}
		r.Close()
		return
	}

	var b bytes.Buffer
	_, err = io.Copy(&b, r)
	if err != ft.ContentErr {
		t.Errorf("copying contents: %v (want %v)", err, ft.ContentErr)
	}
	if err != nil {
		return
	}
	r.Close()

	if g := uint64(b.Len()); g != size {

            log.warn("Error during witness client shutdown", e);
        }
        
        // Shutdown scheduler
        scheduler.shutdown();
        
        // Close RPC client
        if (rpcClient != null) {
            rpcClient.close();
        }
    }
}
```

### 4.4 Witness RPC Client
```java
package jcifs.internal.witness;

import jcifs.dcerpc.*;
import jcifs.dcerpc.rpc.*;

          totalBytesWritten += byteCount;
          progressListener.update(totalBytesWritten, contentLength(), completed);
        }

        @Override
        public void close() throws IOException {
          super.close();
          if (!completed) {
            completed = true;
            progressListener.update(totalBytesWritten, contentLength(), completed);
          }
        }
      };
    }

		t.Run("", func(t *testing.T) {
			tmpfile, err := os.CreateTemp(t.TempDir(), "testfile")
			if err != nil {
				t.Error(err)
			}
			tmpfile.WriteString(testCase.content)
			tmpfile.Sync()
			tmpfile.Close()

			value, err := readFromSecret(tmpfile.Name())
			if err != nil && !testCase.expectedErr {
				t.Error(err)
			}
			if err == nil && testCase.expectedErr {
				t.Error(errors.New("expected error, found success"))