@Override
  public int read(char[] cbuf, int off, int len) throws IOException {
    checkNotNull(cbuf);
    if (current == null) {
      return -1;
    }
    int result = current.read(cbuf, off, len);
    if (result == -1) {
      advance();
      return read(cbuf, off, len);
    }
    return result;
  }

  @Override
  public long skip(long n) throws IOException {
    Preconditions.checkArgument(n >= 0, "n is negative");

    return delegate.cancel(mayInterruptIfRunning);
  }

  @Override
  public boolean isCancelled() {
    return delegate.isCancelled();
  }

  @Override
  public boolean isDone() {
    return delegate.isDone();
  }

  @Override
  @ParametricNullness
  public V get() throws InterruptedException, ExecutionException {
    return delegate.get();
  }

  @Override

	return &Checker{c: rc, r: ioutil.HardLimitReader(rc, length), h: h, want: wantSum}
}

// Read satisfies io.Reader
func (c Checker) Read(p []byte) (n int, err error) {
	n, err = c.r.Read(p)
	if n > 0 {
		c.h.Write(p[:n])
	}
	if errors.Is(err, io.EOF) {
		got := c.h.Sum(nil)
		if !bytes.Equal(got, c.want) {
			return n, ErrInvalidChecksum
		}
		return n, err
	}

     *
     * @return The default current page number.
     */
    protected int getDefaultCurrentPageNumber() {
        return DEFAULT_CURRENT_PAGE_NUMBER;
    }

    /**
     * Returns the total number of records.
     *
     * @return The total number of records.
     */
    public int getAllRecordCount() {
        return allRecordCount;
    }

    /**

	if time.Since(time.UnixMilli(t.lastUpdateMs.Load())) < ttl {
		// There is a new value, release lock and return it.
		if v = t.val.Load(); v != nil {
			return *v, nil
		}
	}

	if err := t.update(ctx); err != nil {
		var empty T
		return empty, err
	}

	return *t.val.Load(), nil
}

// Get will return a cached value or fetch a new one.

		return ctx
	}
	return srv
}

// UseCustomLogger use customized logger for this HTTP *Server
func (srv *Server) UseCustomLogger(l *log.Logger) *Server {
	srv.ErrorLog = l
	return srv
}

// UseTCPOptions use custom TCP options on raw socket
func (srv *Server) UseTCPOptions(opts TCPOptions) *Server {
	srv.TCPOptions = opts
	return srv
}

        @Nullable
        public Path getPath() {
            return path;
        }

        @Override
        @Nonnull
        public InputStream openStream() throws IOException {
            return Files.newInputStream(path);
        }

        @Override
        @Nonnull
        public String getLocation() {
            return location;
        }

        @Override
        @Nullable

            return null;
        }).orElseGet(() -> {
            throwValidationErrorApi(messages -> messages.addErrorsCrudFailedToCreateInstance(GLOBAL));
            return null;
        });
        kuromojiService.store(body.dictId, entity);
        return asJson(

            return null;
        }).orElseGet(() -> {
            throwValidationErrorApi(messages -> messages.addErrorsCrudFailedToCreateInstance(GLOBAL));
            return null;
        });
        protwordsService.store(body.dictId, entity);
        return asJson(

			return b[:0]
		}
		internal32KByteBuffer.Put(&b)
	}
	return make([]byte, 0, wantSz)
}

// PutByteBuffer is for returning byte buffers.
var PutByteBuffer = func(b []byte) {
	if cap(b) >= biggerBufMin && cap(b) < biggerBufMax {
		internal32KByteBuffer.Put(&b)
		return
	}
	if cap(b) >= minBufferSize && cap(b) < biggerBufMin {
		internalByteBuffer.Put(&b)
		return
	}
}