/*
 * Copyright 2020 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,

}

// writeCNIConfig will
// 1. read in the existing CNI config file
// 2. append the `istio`-specific entry
// 3. write the combined result back out to the same path, overwriting the original.
func writeCNIConfig(ctx context.Context, pluginConfig []byte, cfg *config.InstallConfig) (string, error) {
	cniConfigFilepath, err := getCNIConfigFilepath(ctx, cfg.CNIConfName, cfg.MountedCNINetDir, cfg.ChainedCNIPlugin)

/*
 * Copyright 2021 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,

    private final Object successorValue;

    PredAndSucc(Object successorValue) {
      this.successorValue = successorValue;
    }
  }

  /**
   * A value class representing single connection between the origin node and another node.
   *
   * <p>There can be two types of connections (predecessor and successor), which is represented by
   * the two implementations.
   */
  private abstract static class NodeConnection<N> {

/*
 * Copyright 2020 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,

                  @Override
                  Table<String, Integer, Character> createTable() {
                    Table<Integer, String, Character> original = TreeBasedTable.create();
                    return transpose(original);
                  }
                })
            .named("TransposedTable.cellSet")
            .withFeatures(
                CollectionSize.ANY,

                  @Override
                  Table<String, Integer, Character> createTable() {
                    Table<Integer, String, Character> original = TreeBasedTable.create();
                    return transpose(original);
                  }
                })
            .named("TransposedTable.cellSet")
            .withFeatures(
                CollectionSize.ANY,

We can declare all that without having to modify the original `APIRouter` by passing those parameters to `app.include_router()`:

```Python hl_lines="14-17" title="app/main.py"
{!../../docs_src/bigger_applications/app/main.py!}
```

    }
  }

  private static <K extends Enum<K>, V> ImmutableMap<K, ? extends V> copyOfEnumMap(
      EnumMap<?, ? extends V> original) {
    @SuppressWarnings("unchecked") // the best we could do to make copyOf(Map) compile
    EnumMap<K, V> copy = new EnumMap<>((EnumMap<K, ? extends V>) original);
    for (Entry<K, V> entry : copy.entrySet()) {
      checkEntryNotNull(entry.getKey(), entry.getValue());
    }

    for key, value in current_swagger_ui_parameters.items():
        html += f"{json.dumps(key)}: {json.dumps(jsonable_encoder(value))},\n"

    if oauth2_redirect_url:
        html += f"oauth2RedirectUrl: window.location.origin + '{oauth2_redirect_url}',"

    html += """
    presets: [
        SwaggerUIBundle.presets.apis,
        SwaggerUIBundle.SwaggerUIStandalonePreset
        ],
    })"""

    if init_oauth: