if (commandLine.hasOption(CLIManager.SHOW_VERSION_AND_EXIT)) {
            return Optional.of(Boolean.TRUE);
        }
        return Optional.empty();
    }

    @Override
    public Optional<Boolean> showVersion() {
        if (commandLine.hasOption(CLIManager.SHOW_VERSION)) {
            return Optional.of(Boolean.TRUE);
        }
        return Optional.empty();
    }

    @Override

        }
        return this.wrappedHandler;
    }


    @Override
    public SidResolver getSIDResolver () {
        return this.delegate.getSIDResolver();
    }


    @Override
    public boolean hasDefaultCredentials () {
        return this.delegate.hasDefaultCredentials();
    }


    @Override
    public CIFSContext withCredentials ( Credentials creds ) {

func (rt ResyncStatusType) isValid() bool {
	return rt != NoResync
}

func (rt ResyncStatusType) String() string {
	switch rt {
	case ResyncStarted:
		return "Ongoing"
	case ResyncCompleted:
		return "Completed"
	case ResyncFailed:
		return "Failed"
	case ResyncPending:
		return "Pending"
	case ResyncCanceled:
		return "Canceled"
	default:
		return ""
	}
}

        @Override
        public String toString() {
            return name;
        }

        public int value() {
            return value;
        }

        public int fg() {
            return value + 30;
        }

        public int bg() {
            return value + 40;
        }

        public int fgBright() {
            return value + 90;
        }

        public int bgBright() {

   *     return DEFAULT_VALUE;
   *   }
   * </pre>
   *
   * @param target the object to proxy
   * @param interfaceType the interface you wish the returned proxy to implement
   * @param timeout the maximum length of time that callers are willing to wait on each method call
   *     to the proxy
   * @return a time-limiting proxy
   * @throws IllegalArgumentException if {@code interfaceType} is a regular class, enum, or

		lockType |= syscall.LOCK_EX
	default:
		return nil, &os.PathError{
			Op:   "open",
			Path: path,
			Err:  syscall.EINVAL,
		}
	}

	f, err := os.OpenFile(path, flag|syscall.O_SYNC, perm)
	if err != nil {
		return nil, err
	}

	if err = syscall.Flock(int(f.Fd()), lockType); err != nil {
		f.Close()
		if err == syscall.EWOULDBLOCK {
			err = ErrAlreadyLocked
		}
		return nil, err
	}

# Custom Response - HTML, Stream, File, others

By default, **FastAPI** will return the responses using `JSONResponse`.

You can override it by returning a `Response` directly as seen in [Return a Response directly](response-directly.md){.internal-link target=_blank}.

        return loggingLevel;
    }

    @Override
    public boolean isOffline() {
        return offline;
    }

    @Override
    public boolean isUpdateSnapshots() {
        return updateSnapshots;
    }

    @Override
    public boolean isNoSnapshotUpdates() {
        return noSnapshotUpdates;
    }

    @Override
    public String getGlobalChecksumPolicy() {

transparent")&&"transparent"===a)return!0;var c="#"===a[0];if(!c)return!1;var d=4===a.length||7===a.length;if(d){var e=/[0-9a-f]/i,f=a.slice(1).split(""),g=!0;return f.forEach(function(a){null===a.match(e)&&(g=!1)}),g}return!1},errorMessage:"",errorMessageKey:"badHex"}),a.formUtils.addValidator({name:"rgb",validatorFunction:function(a,b){if("true"===b.valAttr("allow-transparent")&&"transparent"===a)return!0;var c=a.replace(/ /g,""),d=/\([0-9]{1,3},[0-9]{1,3},[0-9]{1,3}\)/i;if(c.match(d)){var e=c...

		if err := f(); err != nil {
			return err
		}
		// Mark as done only when f() is successful
		atomic.StoreUint32(&l.done, 1)
	}
	return nil
}

// DoWithContext is similar to Do except that it accepts a context as an argument to be passed.
func (l *Init) DoWithContext(ctx context.Context, f func(context.Context) error) error {
	if atomic.LoadUint32(&l.done) == 0 {
		return l.doWithContext(ctx, f)
	}
	return nil
}