null==e?"":e+""})),(r=ce.valHooks[this.type]||ce.valHooks[this.nodeName.toLowerCase()])&&"set"in r&&void 0!==r.set(this,t,"value")||(this.value=t))})):t?(r=ce.valHooks[t.type]||ce.valHooks[t.nodeName.toLowerCase()])&&"get"in r&&void 0!==(e=r.get(t,"value"))?e:"string"==typeof(e=t.value)?e.replace(St,""):null==e?"":e:void 0}}),ce.extend({valHooks:{option:{get:function(e){var t=ce.find.attr(e,"value");return null!=t?t:Tt(ce.text(e))}},select:{get:function(e){var t,n,r,i=e.options,o=e.selectedIndex,a="select-o...

```Python
say_hi()  # Oh, no, this throws an error! 😱
```

The `name` parameter is **still required** (not *optional*) because it doesn't have a default value. Still, `name` accepts `None` as the value:

```Python
say_hi(name=None)  # This works, None is valid 🎉
```

          <description>Parameter expression, to let user override default value with a user property, system property or project property.</description>
        </field>
        <field>
          <name>defaultValue</name>
          <version>2.0.0+</version>
          <type>String</type>
          <description>The default value, as an expression that will be evaluated at injection or run-time.</description>
        </field>

                final String outputPath = outputFile.getAbsolutePath();
                final List<String> cmdList = new ArrayList<>();
                for (final String value : commandList) {
                    cmdList.add(expandPath(value.replace("${url}", tempPath).replace("${outputFile}", outputPath)));
                }

                if (executeCommand(thumbnailId, cmdList) != 0) {

        }
    }

    @Override
    public void setValue(final Object target, final Object value) {
        assertArgumentNotNull("target", target);

        try {
            final Object convertedValue = convertIfNeed(value);
            assertState(writable, propertyName + " is not writable.");
            if (hasWriteMethod()) {
                try {

	FieldsByName              map[string]*Field
	FieldsByBindName          map[string]*Field // embedded fields is 'Embed.Field'
	FieldsByDBName            map[string]*Field
	FieldsWithDefaultDBValue  []*Field // fields with default value assigned by database
	Relationships             Relationships
	CreateClauses             []clause.Interface
	QueryClauses              []clause.Interface
	UpdateClauses             []clause.Interface

      throw ProtocolException(
        "Expected 'Connection' header value 'Upgrade' but was '$headerConnection'",
      )
    }

    val headerUpgrade = response.header("Upgrade")
    if (!"websocket".equals(headerUpgrade, ignoreCase = true)) {
      throw ProtocolException(
        "Expected 'Upgrade' header value 'websocket' but was '$headerUpgrade'",
      )
    }

     */
    @Size(max = 10)
    public String webApiJson;

    /**
     * Application-specific value for custom configurations.
     * This field can be used to store custom application settings.
     */
    @Size(max = 10000)
    public String appValue;

    /**
     * Default label value to use when no specific label is selected.
     * This affects which documents are included in search results by default.

    }

    @Test
    public void testHeadersWithNullKey() {
        CurlResponse response = new CurlResponse();
        Map<String, List<String>> headers = new HashMap<>();
        headers.put(null, Arrays.asList("value"));
        headers.put("Content-Type", Arrays.asList("application/json"));

        response.setHeaders(headers);

        Map<String, List<String>> result = response.getHeaders();
        assertNotNull(result);

import java.util.concurrent.locks.AbstractOwnableSynchronizer;
import java.util.concurrent.locks.LockSupport;
import org.jspecify.annotations.Nullable;

@GwtCompatible
@ReflectionSupport(value = ReflectionSupport.Level.FULL)
// Some Android 5.0.x Samsung devices have bugs in JDK reflection APIs that cause
// getDeclaredField to throw a NoSuchFieldException when the field is definitely there.