* Provides methods for user management and authentication operations.
 */
public interface AuthenticationChain {

    /**
     * Updates an existing user in the authentication chain.
     * @param user The user to update.
     */
    void update(User user);

    /**
     * Deletes a user from the authentication chain.
     * @param user The user to delete.
     */
    void delete(User user);

    }

    @Override
    protected void update(byte b) {
      checkNotDone();
      digest.update(b);
    }

    @Override
    protected void update(byte[] b, int off, int len) {
      checkNotDone();
      digest.update(b, off, len);
    }

    @Override
    protected void update(ByteBuffer bytes) {
      checkNotDone();
      digest.update(bytes);
    }

func (r *ReplicationStats) srUpdate(sr replStat) {
	dID, err := globalSiteReplicationSys.getDeplIDForEndpoint(sr.endpoint())
	if err == nil {
		r.srStats.update(sr, dID)
	}
}

// Update updates in-memory replication statistics with new values.
func (r *ReplicationStats) Update(bucket string, ri replicatedTargetInfo, status, prevStatus replication.StatusType) {
	if r == nil {
		return
	}
	var rs replStat
	switch status {

# make v1.2.3.test runs the crypto tests using that snapshot.
v%.test:
	GOFIPS140=v$* go test -short crypto...

# make updatesum updates the fips140.sum file.
updatesum:

    }

    // PUT /api/admin/general
    /**
     * Updates the general system settings.
     * Merges the provided settings with existing configuration and applies changes.
     *
     * @param body the general settings data to update
     * @return JSON response with update status
     */
    @Execute
    public JsonResponse<ApiResult> put$index(final EditBody body) {

    }

    @Override
    protected void update(byte b) {
      checkNotDone();
      digest.update(b);
    }

    @Override
    protected void update(byte[] b, int off, int len) {
      checkNotDone();
      digest.update(b, off, len);
    }

    @Override
    protected void update(ByteBuffer bytes) {
      checkNotDone();
      digest.update(bytes);
    }

    hashTableVToK[valueBucket] = entry;
  }

  /**
   * Updates the K-to-V hash table to remove the entry at the specified index, which is assumed to
   * be present. Does not update any other data structures.
   */
  private void deleteFromTableKToV(int entry, int keyHash) {
    checkArgument(entry != ABSENT);
    int keyBucket = bucket(keyHash);

    if (hashTableKToV[keyBucket] == entry) {

    }

    /**
     * Updates an access result in the OpenSearch index.
     *
     * @param accessResult The access result to update.
     */
    @Override
    public void update(final OpenSearchAccessResult accessResult) {
        super.insert(accessResult, OpType.INDEX);
    }

    /**
     * Updates multiple access results in the OpenSearch index.
     *

	configLock.RLock()
	defer configLock.RUnlock()

	if c.Frequency == 0 {
		return callhomeCycleDefault
	}

	return c.Frequency
}

// Update updates new callhome frequency
func (c *Config) Update(ncfg Config) {
	configLock.Lock()
	defer configLock.Unlock()

	c.Enable = ncfg.Enable
	c.Frequency = ncfg.Frequency
}

            name: str
            description: str | None = None

        app = FastAPI()

        @app.patch("/items/")
        def update_item(item: Item):
            return {"message": "Item updated in place"}
        ```
        """
        return self.router.patch(
            path,
            response_model=response_model,
            status_code=status_code,
            tags=tags,