return StringUtil.isNotBlank(region) ? region : "us-east-1";
    }

    @Override
    public void uploadObject(final String objectName, final InputStream inputStream, final long size, final String contentType) {
        try {
            final PutObjectRequest request =
                    PutObjectRequest.builder().bucket(bucket).key(objectName).contentType(contentType).contentLength(size).build();

        assertEquals("  word  ", item3.getInput());
        assertEquals("  word  ", item3.toLineString());
    }

    @Test
    public void test_longStrings() {
        // Test with long strings
        StringBuilder longString = new StringBuilder();
        for (int i = 0; i < 1000; i++) {
            longString.append("word");
        }
        String longInput = longString.toString();

        labels.testAssertPropertyNotNull(" ");
    }

    // Helper class to test protected method
    private static class TestFessLabels extends FessLabels {
        private static final long serialVersionUID = 1L;

        public void testAssertPropertyNotNull(String property) {
            assertPropertyNotNull(property);
        }
    }

    /**

        assertTrue(emptyBean instanceof java.io.Serializable);
    }

    // Test implementation of FessUser interface for testing
    private static class TestFessUser implements FessUser {
        private static final long serialVersionUID = 1L;
        private String name;
        private String[] roleNames = new String[0];
        private String[] groupNames = new String[0];
        private String[] permissions = new String[0];

  /**
   * Returns the number of bytes that will be written to sink in a call to [writeTo],
   * or -1 if that count is unknown.
   */
  @Throws(IOException::class)
  open fun contentLength(): Long = -1L

  /** Writes the content of this request to [sink]. */
  @Throws(IOException::class)
  abstract fun writeTo(sink: BufferedSink)

  /**

  /**
   * Sets the naming format to use when naming threads ({@link Thread#setName}) which are created
   * with this ThreadFactory.
   *
   * <p><b>Java 21+ users:</b> use {@link Thread.Builder#name(String, long)} instead. Note that
   * {@link #setNameFormat} accepts a thread name <i>format string</i> (e.g., {@code
   * threadFactoryBuilder.setNameFormat("rpc-pool-%d")}), while {@code threadBuilder.name()} accepts

	FlagPayloadIsErr

	// FlagPayloadIsZero means that payload is 0-length slice and not nil.
	FlagPayloadIsZero

	// FlagSubroute indicates that the message has subroute.
	// Subroute will be 32 bytes long and added before any CRC.
	FlagSubroute
)

// This struct cannot be changed and retain backwards compatibility.
// If changed, endpoint version must be bumped.
//
//msgp:tuple message
type message struct {

        List<String> results = converter.convert(text, field, "en");

        assertNotNull(results);
    }

    @Test
    public void testConvertWithLongText() throws IOException {
        // Test convert with long text
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < 100; i++) {
            sb.append("word").append(i).append(" ");
        }
        String text = sb.toString();

			target = &a[2]
			break
		}
		p.errorf("wrong number of arguments to %s instruction", op)
		return
	case 4:
		if p.arch.Family == sys.S390X || p.arch.Family == sys.PPC64 {
			// 4-operand compare-and-branch.
			prog.From = a[0]
			prog.Reg = p.getRegister(prog, op, &a[1])
			prog.AddRestSource(a[2])
			target = &a[3]
			break
		}
		p.errorf("wrong number of arguments to %s instruction", op)
		return

    SerializedForm(Object[] elements) {
      this.elements = elements;
    }

    Object readResolve() {
      return copyOf(elements);
    }

    @GwtIncompatible @J2ktIncompatible private static final long serialVersionUID = 0;
  }

  @Override
  @J2ktIncompatible
    Object writeReplace() {
    return new SerializedForm(toArray());
  }

  @J2ktIncompatible