}
	result := writer.write(newRecordsMessage(writer.payloadBuffer[0:writer.payloadBufferIndex]))
	if result {
		atomic.AddInt64(&writer.bytesReturned, int64(writer.payloadBufferIndex))
		writer.payloadBufferIndex = 0
	}
	return result
}

// Finish is the last call to the message writer - it sends any
// remaining record payload, then sends statistics and finally the end
// message.

   * @since 15.0 (in 14.0 with return type {@link BufferedWriter})
   */
  public Writer openBufferedStream() throws IOException {
    Writer writer = openStream();
    return (writer instanceof BufferedWriter)
        ? (BufferedWriter) writer
        : new BufferedWriter(writer);
  }

  /**
   * Writes the given character sequence to this sink.
   *

import (
	"context"
	"fmt"
	"io"
)

// Writes to multiple writers
type multiWriter struct {
	writers     []io.Writer
	writeQuorum int
	errs        []error
}

// Write writes data to writers.
func (p *multiWriter) Write(ctx context.Context, blocks [][]byte) error {
	for i := range p.writers {
		if p.errs[i] != nil {
			continue
		}
		if p.writers[i] == nil {
			p.errs[i] = errDiskNotFound
			continue

		}
	}
}

// testNonEmptyWriter wraps an io.Writer and ensures that
// Write is never called with an empty buffer.
type testNonEmptyWriter struct{ io.Writer }

func (w testNonEmptyWriter) Write(b []byte) (int, error) {
	if len(b) == 0 {
		return 0, errors.New("unexpected empty Write call")
	}
	return w.Writer.Write(b)
}

func TestFileWriter(t *testing.T) {
	type (

                        writer.writeln(s + "\\");
                    } else {
                        writer.writeln(s);
                    }
                }
            } else {
                writer.writeProperty(key, storage.get(key));
            }
        }
        if (footer != null) {
            for (String s : footer) {
                writer.writeln(s);
            }
        }

                        writer.writeln(s + "\\");
                    } else {
                        writer.writeln(s);
                    }
                }
            } else {
                writer.writeProperty(key, storage.get(key));
            }
        }
        if (footer != null) {
            for (String s : footer) {
                writer.writeln(s);
            }
        }

// accepted and all subsequent writes, and [Writer.Flush], will return the error.
// After all data has been written, the client should call the
// [Writer.Flush] method to guarantee all data has been forwarded to
// the underlying [io.Writer].
type Writer struct {
	err error
	buf []byte
	n   int
	wr  io.Writer
}

  public void setUp() {
    sink = new TestCharSink();
  }

  public void testOpenBufferedStream() throws IOException {
    Writer writer = sink.openBufferedStream();
    assertTrue(sink.wasStreamOpened());
    assertFalse(sink.wasStreamClosed());

    writer.write(STRING);
    writer.close();

    assertTrue(sink.wasStreamClosed());
    assertEquals(STRING, sink.getString());
  }

        PrintWriter writer = new PrintWriter(buffer);

        writer.print(problems.size());
        writer.print((problems.size() == 1) ? " problem was " : " problems were ");
        writer.print("encountered while building the effective model");
        if (modelId != null && !modelId.isEmpty()) {
            writer.print(" for ");
            writer.print(modelId);
        }
        writer.println();

     * @throws IOException If the settings could not be serialized.
     */
    void write(File output, Map<String, Object> options, Settings settings) throws IOException;

    /**
     * Writes the supplied settings to the specified character writer. The writer will be automatically closed before
     * the method returns.
     *
     * @param output The writer to serialize the settings to, must not be {@code null}.