return 0, io.EOF
	}
	n = copy(b, r.s[off:])
	if n < len(b) {
		err = io.EOF
	}
	return
}

// ReadByte implements the [io.ByteReader] interface.
func (r *Reader) ReadByte() (byte, error) {
	r.prevRune = -1
	if r.i >= int64(len(r.s)) {
		return 0, io.EOF
	}
	b := r.s[r.i]
	r.i++
	return b, nil
}

// UnreadByte complements [Reader.ReadByte] in implementing the [io.ByteScanner] interface.

            return is;
        }
        if (is instanceof ByteArrayInputStream) {
            return is;
        }
        return new BufferedInputStream(is, DEFAULT_BUF_SIZE);
    }

    /**
     * Wraps the output stream with a {@link BufferedOutputStream} if necessary.
     *
     * @param os the output stream
     * @return the wrapped output stream
     */

            .named("Multiset.filter[Multiset, Predicate]")
            .createTestSuite());

    return suite;
  }

  private static TestStringMultisetGenerator unmodifiableMultisetGenerator() {
    return new TestStringMultisetGenerator() {
      @Override
      protected Multiset<String> create(String[] elements) {
        return unmodifiableMultiset(LinkedHashMultiset.create(asList(elements)));
      }

      @Override

	}

	if j > 1 {
		// Create parent.
		if err := osMkdirAll(dirPath[:j-1], perm, baseDir); err != nil {
			return err
		}
	}

	// Parent now exists; invoke Mkdir and use its result.
	if err := Mkdir(dirPath, perm); err != nil {
		if osIsExist(err) {
			return nil
		}
		return err
	}

	return nil
}

// The buffer must be at least a block long.
// refer https://github.com/golang/go/issues/24015

    public ScheduledJobDbm asDBMeta() {
        return ScheduledJobDbm.getInstance();
    }

    @Override
    public String asTableDbName() {
        return "scheduled_job";
    }

    @Override
    public boolean hasSpecifiedColumn() {
        return _specification != null;
    }

    @Override
    public ConditionQuery localCQ() {
        return doGetConditionQuery();
    }

    public WebAuthenticationDbm asDBMeta() {
        return WebAuthenticationDbm.getInstance();
    }

    @Override
    public String asTableDbName() {
        return "web_authentication";
    }

    @Override
    public boolean hasSpecifiedColumn() {
        return _specification != null;
    }

    @Override
    public ConditionQuery localCQ() {
        return doGetConditionQuery();
    }

<img src="/img/tutorial/response-model/image02.png">

## Other Return Type Annotations { #other-return-type-annotations }

There might be cases where you return something that is not a valid Pydantic field and you annotate it in the function, only to get the support provided by tooling (the editor, mypy, etc).

### Return a Response Directly { #return-a-response-directly }

        t.parse(raw);
        // Current behavior of test impl: returns same reference
        assertSame(raw, t.toByteArray(), "should return the same reference as mechanismToken");
    }

    @Test
    @DisplayName("Setters accept null and getters return null")
    void settersAcceptNull() {
        TestSpnegoToken t = new TestSpnegoToken();
        t.setMechanismToken(null);

     * Finally, return the result of the last expression part's resolution.</p>
     *
     * <p><b>NOTE:</b> The object-graph navigation actually takes place via the
     * {@link ReflectionValueExtractor} class.</p>
     */
    @Override
    public Object getValue(String expression) {
        if (expression == null || expression.trim().isEmpty()) {
            return null;
        }

        try {

        Optional<List<CoreExtensions>> coreExtensions = context.invokerRequest.coreExtensions();
        if (coreExtensions.isEmpty() || coreExtensions.get().isEmpty()) {
            return List.of();
        }

        return selectCoreExtensions(
                context, context.invokerRequest.coreExtensions().orElseThrow());
    }

    /**