By inheriting from `str` the API docs will be able to know that the values must be of type `string` and will be able to render correctly.

Then create class attributes with fixed values, which will be the available valid values:

```Python hl_lines="1  6-9"
{!../../docs_src/path_params/tutorial005.py!}
```

/// info

Node level Replication metrics can be viewed in the Grafana dashboard using [json file here](https://raw.githubusercontent.com/minio/minio/master/docs/metrics/prometheus/grafana/replication/minio-replication-node.json)

![Grafana](https://raw.githubusercontent.com/minio/minio/master/docs/metrics/prometheus/grafana/replication/grafana-replication-node.png)

        return 0L
      }

      earliestEvictableConnection != null -> {
        // A connection will be ready to evict soon.
        return earliestEvictableIdleAtNs + keepAliveDurationNs - now
      }

      inUseConnectionCount > 0 -> {
        // All connections are in use. It'll be at least the keep alive duration 'til we run again.
        return keepAliveDurationNs
      }

      else -> {

// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.
//

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

/*
An example of wrapping a C library in Go. This is the GNU
multiprecision library gmp's integer type mpz_t wrapped to look like
the Go package big's integer type Int.

This is a syntactically valid Go program—it can be parsed with the Go
parser and processed by godoc—but it is not compiled directly by gc.

     * @return {@code true} to visit siblings nodes of this node as well, {@code false} to skip siblings
     */
    boolean accept(@Nonnull NodeVisitor visitor);

    /**
     * Returns a new tree starting at this node, filtering the children.
     * Note that this node will not be filtered and only the children
     * and its descendant will be checked.
     *

@Deprecated(since = "4.0.0")
public class DefaultSettingsReader implements SettingsReader {

    @Override
    public Settings read(File input, Map<String, ?> options) throws IOException {
        Objects.requireNonNull(input, "input cannot be null");

        try (InputStream in = Files.newInputStream(input.toPath())) {
            InputSource source = new InputSource(input.toString());

  |
  | o add specification element to a field, this would be more a technical description of
  |   what is allowed in the field.
  |
  | o validators: there could be several levels of validation. Simple type validation could
  |   be done with a regex, but we need inter-field validation and rules which could be
  |   dealt with by something like drools.
  |
  | o i18n: would be good to be able to have names/descriptions/specifications

			sortedIPList: []string{"127.0.0.1"},
		},
		// Non parsable ip is assumed to be hostame and gets preserved
		// as the left most elements, regardless of IP based sorting.
		{
			ipList:       []string{"hostname", "127.0.0.1", "192.168.1.106"},
			sortedIPList: []string{"hostname", "192.168.1.106", "127.0.0.1"},
		},
		// Non parsable ip is assumed to be hostname, with a mixed input of ip and hostname.

		return errors.New("endpoint empty")
	}
	if w.QueueDir != "" {
		if !filepath.IsAbs(w.QueueDir) {
			return errors.New("queueDir path should be absolute")
		}
	}
	if w.ClientCert != "" && w.ClientKey == "" || w.ClientCert == "" && w.ClientKey != "" {
		return errors.New("cert and key must be specified as a pair")
	}
	return nil
}

// WebhookTarget - Webhook target.
type WebhookTarget struct {
	initOnce once.Init