Class<E> clazz) {
    Map<E, LockGraphNode> existing = (Map<E, LockGraphNode>) lockGraphNodesPerType.get(clazz);
    if (existing != null) {
      return existing;
    }
    Map<E, LockGraphNode> created = createNodes(clazz);
    existing = (Map<E, LockGraphNode>) lockGraphNodesPerType.putIfAbsent(clazz, created);
    return MoreObjects.firstNonNull(existing, created);
  }

  /**

            return null;
        });

        return asJson(new ApiUpdateResponse().id(keyMatch.getId()).created(true).status(Status.OK).result());
    }

    /**
     * Updates an existing key match setting.
     *
     * @param body the key match data to update
     * @return JSON response containing the updated key match setting ID
     */
    // PUT /api/admin/keymatch/setting
    @Execute

  public void testPutAllNullValueSingle_unsupported() {
    multimap().putAll(k1(), newArrayList((V) null));
    expectUnchanged();
  }

  // In principle, it would be nice to apply these two tests to keys with existing values, too.

  @MapFeature.Require(value = SUPPORTS_PUT, absent = ALLOWS_NULL_VALUES)
  public void testPutAllNullValueNullLast_unsupported() {
    int size = getNumElements();

    assertThrows(

import org.apache.maven.settings.Mirror;
import org.apache.maven.settings.Proxy;
import org.apache.maven.settings.Server;

/**
 * A resolution request allows you to either use an existing MavenProject, or a coordinate (gid:aid:version)
 * to process a POMs dependencies.
 *
 */
@Deprecated
public class ArtifactResolutionRequest implements RepositoryRequest {

            return null;
        });

        return asJson(new ApiUpdateResponse().id(webConfig.getId()).created(true).status(Status.OK).result());
    }

    /**
     * Updates an existing web configuration setting.
     *
     * @param body the web configuration data to update
     * @return JSON response containing the updated web configuration setting ID
     */
    // PUT /api/admin/webconfig/setting

    * Make sure you add your link to the start of the corresponding section.
* To help [translate the documentation](contributing.md#translations){.internal-link target=_blank} to your language.
    * You can also help to review the translations created by others.
* To propose new documentation sections.
* To fix an existing issue/bug.
    * Make sure to add tests.

        
        // LeaseDuration (8 bytes)
        writeInt8(dst, dstIndex, leaseDuration);
        dstIndex += 8;
        
        return dstIndex - start;
    }
}
```

## 6. Integration with Existing Code

### 6.1 Modifying Smb2CreateRequest
```java
// In Smb2CreateRequest.java
public void addLeaseContext(Smb2LeaseKey key, int requestedState, boolean isV2) {

    - [Client Binaries](#client-binaries-8)
    - [Server Binaries](#server-binaries-8)
  - [Major Themes](#major-themes)
  - [Features](#features)
  - [Known Issues](#known-issues)
  - [Notable Changes to Existing Behavior](#notable-changes-to-existing-behavior)
  - [Deprecations](#deprecations)
  - [Action Required Before Upgrading](#action-required-before-upgrading)
  - [External Dependency Version Information](#external-dependency-version-information)

            throwValidationError(messages -> messages.addErrorsCrudFailedToCreateInstance(GLOBAL), this::asEditHtml);
        });
        return redirect(getClass());
    }

    /**
     * Updates an existing key match.
     *
     * @param form the edit form
     * @return HTML response after update
     */
    @Execute
    @Secured({ ROLE })
    public HtmlResponse update(final EditForm form) {

        assertEquals(0b0001, message.getFlags(), "Flag 0b0001 should be set.");

        message.setFlag(0b0100, true);
        assertEquals(0b0101, message.getFlags(), "Flag 0b0100 should be added to existing flags.");

        // Test clearing a flag
        message.setFlag(0b0001, false);
        assertEquals(0b0100, message.getFlags(), "Flag 0b0001 should be cleared.");

        message.setFlag(0b0100, false);