```sh
const completion: Fig.Spec = {
  name: "nym-native-client",
  description: "Implementation of the Nym Client",
  subcommands: [
    {
      name: "init",
      description: "Initialise a Nym client. Do this first!",
      options: [
        {
          name: "--id",
          description: "Id of client we want to create config for",
          isRepeatable: true,
          args: {
            name: "id",
          },
        },
        {
          name: "--gateway",
          description: "Id of the gateway we are going to connect to",
          isRepeatable: true,
          args: {
            name: "gateway",
            isOptional: true,
          },
        },
        {
          name: "--nyxd-urls",
          description: "Comma separated list of rest endpoints of the nyxd validators",
          hidden: true,
          isRepeatable: true,
          args: {
            name: "nyxd_urls",
            isOptional: true,
          },
        },
        {
          name: "--nym-apis",
          description: "Comma separated list of rest endpoints of the API validators",
          isRepeatable: true,
          args: {
            name: "nym_apis",
            isOptional: true,
          },
        },
        {
          name: "--custom-mixnet",
          description: "Path to .json file containing custom network specification",
          hidden: true,
          isRepeatable: true,
          args: {
            name: "custom_mixnet",
            isOptional: true,
            template: "filepaths",
          },
        },
        {
          name: "--enabled-credentials-mode",
          description: "Set this client to work in a enabled credentials mode that would attempt to use gateway with bandwidth credential requirement",
          hidden: true,
          isRepeatable: true,
          args: {
            name: "enabled_credentials_mode",
            isOptional: true,
            suggestions: [
              "true",
              "false",
            ],
          },
        },
        {
          name: "--stats-reporting-address",
          description: "Sets the address to report statistics",
          hidden: true,
          isRepeatable: true,
          args: {
            name: "stats_reporting_address",
            isOptional: true,
          },
        },
        {
          name: "--disable-socket",
          description: "Whether to not start the websocket",
          isRepeatable: true,
          args: {
            name: "disable_socket",
            isOptional: true,
            suggestions: [
              "true",
              "false",
            ],
          },
        },
        {
          name: ["-p", "--port"],
          description: "Port for the socket (if applicable) to listen on in all subsequent runs",
          isRepeatable: true,
          args: {
            name: "port",
            isOptional: true,
          },
        },
        {
          name: "--host",
          description: "Ip for the socket (if applicable) to listen for requests",
          isRepeatable: true,
          args: {
            name: "host",
            isOptional: true,
          },
        },
        {
          name: ["-o", "--output"],
          isRepeatable: true,
          args: {
            name: "output",
            isOptional: true,
            suggestions: [
              "text",
              "json",
            ],
          },
        },
        {
          name: "--force-tls-gateway",
          description: "Specifies whether the client will attempt to enforce tls connection to the desired gateway",
        },
        {
          name: "--latency-based-selection",
          description: "Specifies whether the new gateway should be determined based by latency as opposed to being chosen uniformly",
          exclusiveOn: [
            "--gateway",
          ],
        },
        {
          name: "--fastmode",
          description: "Mostly debug-related option to increase default traffic rate so that you would not need to modify config post init",
        },
        {
          name: "--no-cover",
          description: "Disable loop cover traffic and the Poisson rate limiter (for debugging only)",
        },
        {
          name: ["-h", "--help"],
          description: "Print help",
        },
      ],
    },
    {
      name: "run",
      description: "Run the Nym client with provided configuration client optionally overriding set parameters",
      options: [
        {
          name: "--id",
          description: "Id of client we want to create config for",
          isRepeatable: true,
          args: {
            name: "id",
          },
        },
        {
          name: "--gateway",
          description: "Id of the gateway we want to connect to. If overridden, it is user's responsibility to ensure prior registration happened",
          isRepeatable: true,
          args: {
            name: "gateway",
            isOptional: true,
          },
        },
        {
          name: "--nyxd-urls",
          description: "Comma separated list of rest endpoints of the nyxd validators",
          hidden: true,
          isRepeatable: true,
          args: {
            name: "nyxd_urls",
            isOptional: true,
          },
        },
        {
          name: "--nym-apis",
          description: "Comma separated list of rest endpoints of the API validators",
          isRepeatable: true,
          args: {
            name: "nym_apis",
            isOptional: true,
          },
        },
        {
          name: "--custom-mixnet",
          description: "Path to .json file containing custom network specification",
          hidden: true,
          isRepeatable: true,
          args: {
            name: "custom_mixnet",
            isOptional: true,
            template: "filepaths",
          },
        },
        {
          name: "--enabled-credentials-mode",
          description: "Set this client to work in a enabled credentials mode that would attempt to use gateway with bandwidth credential requirement",
          hidden: true,
          isRepeatable: true,
          args: {
            name: "enabled_credentials_mode",
            isOptional: true,
            suggestions: [
              "true",
              "false",
            ],
          },
        },
        {
          name: "--stats-reporting-address",
          description: "Sets the address to report statistics",
          hidden: true,
          isRepeatable: true,
          args: {
            name: "stats_reporting_address",
            isOptional: true,
          },
        },
        {
          name: "--disable-socket",
          description: "Whether to not start the websocket",
          isRepeatable: true,
          args: {
            name: "disable_socket",
            isOptional: true,
            suggestions: [
              "true",
              "false",
            ],
          },
        },
        {
          name: ["-p", "--port"],
          description: "Port for the socket to listen on",
          isRepeatable: true,
          args: {
            name: "port",
            isOptional: true,
          },
        },
        {
          name: "--host",
          description: "Ip for the socket (if applicable) to listen for requests",
          isRepeatable: true,
          args: {
            name: "host",
            isOptional: true,
          },
        },
        {
          name: "--fastmode",
          description: "Mostly debug-related option to increase default traffic rate so that you would not need to modify config post init",
        },
        {
          name: "--no-cover",
          description: "Disable loop cover traffic and the Poisson rate limiter (for debugging only)",
        },
        {
          name: ["-h", "--help"],
          description: "Print help",
        },
      ],
    },
    {
      name: "ecash",
      description: "Ecash-related functionalities",
      subcommands: [
        {
          name: "show-ticket-books",
          description: "Display information associated with the imported ticketbooks,",
          options: [
            {
              name: "--id",
              description: "Id of client that is going to display the ticketbook information",
              isRepeatable: true,
              args: {
                name: "id",
              },
            },
            {
              name: ["-o", "--output"],
              isRepeatable: true,
              args: {
                name: "output",
                isOptional: true,
                suggestions: [
                  "text",
                  "json",
                ],
              },
            },
            {
              name: ["-h", "--help"],
              description: "Print help",
            },
          ],
        },
        {
          name: "import-ticket-book",
          description: "Import a pre-generated ticketbook",
          options: [
            {
              name: "--id",
              description: "Id of client that is going to import the credential",
              isRepeatable: true,
              args: {
                name: "id",
              },
            },
            {
              name: "--credential-data",
              description: "Explicitly provide the encoded credential data (as base58)",
              isRepeatable: true,
              args: {
                name: "credential_data",
                isOptional: true,
              },
            },
            {
              name: "--credential-path",
              description: "Specifies the path to file containing binary credential data",
              isRepeatable: true,
              args: {
                name: "credential_path",
                isOptional: true,
                template: "filepaths",
              },
            },
            {
              name: "--version",
              hidden: true,
              isRepeatable: true,
              args: {
                name: "version",
                isOptional: true,
              },
            },
            {
              name: "--standalone",
              description: "Specifies whether we're attempting to import a standalone ticketbook (i.e. serialised `IssuedTicketBook`)",
            },
            {
              name: "--full",
              description: "Specifies whether we're attempting to import full ticketboot (i.e. one that **might** contain required global signatures; that is serialised `ImportableTicketBook`)",
            },
            {
              name: ["-h", "--help"],
              description: "Print help",
            },
          ],
        },
        {
          name: "import-coin-index-signatures",
          description: "Import coin index signatures needed for ticketbooks",
          options: [
            {
              name: "--id",
              description: "Id of client that is going to import the signatures",
              isRepeatable: true,
              args: {
                name: "id",
              },
            },
            {
              name: "--client-config",
              description: "Config file of the client that is supposed to use the signatures",
              isRepeatable: true,
              args: {
                name: "client_config",
                template: "filepaths",
              },
            },
            {
              name: "--signatures-data",
              description: "Explicitly provide the encoded signatures data (as base58)",
              isRepeatable: true,
              args: {
                name: "signatures_data",
                isOptional: true,
              },
            },
            {
              name: "--signatures-path",
              description: "Specifies the path to file containing binary signatures data",
              isRepeatable: true,
              args: {
                name: "signatures_path",
                isOptional: true,
                template: "filepaths",
              },
            },
            {
              name: "--version",
              hidden: true,
              isRepeatable: true,
              args: {
                name: "version",
                isOptional: true,
              },
            },
            {
              name: ["-h", "--help"],
              description: "Print help",
            },
          ],
        },
        {
          name: "import-expiration-date-signatures",
          description: "Import expiration date signatures needed for ticketbooks",
          options: [
            {
              name: "--id",
              description: "Id of client that is going to import the signatures",
              isRepeatable: true,
              args: {
                name: "id",
              },
            },
            {
              name: "--client-config",
              description: "Config file of the client that is supposed to use the signatures",
              isRepeatable: true,
              args: {
                name: "client_config",
                template: "filepaths",
              },
            },
            {
              name: "--signatures-data",
              description: "Explicitly provide the encoded signatures data (as base58)",
              isRepeatable: true,
              args: {
                name: "signatures_data",
                isOptional: true,
              },
            },
            {
              name: "--signatures-path",
              description: "Specifies the path to file containing binary signatures data",
              isRepeatable: true,
              args: {
                name: "signatures_path",
                isOptional: true,
                template: "filepaths",
              },
            },
            {
              name: "--version",
              hidden: true,
              isRepeatable: true,
              args: {
                name: "version",
                isOptional: true,
              },
            },
            {
              name: ["-h", "--help"],
              description: "Print help",
            },
          ],
        },
        {
          name: "import-master-verification-key",
          description: "Import master verification key needed for ticketbooks",
          options: [
            {
              name: "--id",
              description: "Id of client that is going to import the key",
              isRepeatable: true,
              args: {
                name: "id",
              },
            },
            {
              name: "--client-config",
              description: "Config file of the client that is supposed to use the key",
              isRepeatable: true,
              args: {
                name: "client_config",
                template: "filepaths",
              },
            },
            {
              name: "--key-data",
              description: "Explicitly provide the encoded key data (as base58)",
              isRepeatable: true,
              args: {
                name: "key_data",
                isOptional: true,
              },
            },
            {
              name: "--key-path",
              description: "Specifies the path to file containing binary key data",
              isRepeatable: true,
              args: {
                name: "key_path",
                isOptional: true,
                template: "filepaths",
              },
            },
            {
              name: "--version",
              hidden: true,
              isRepeatable: true,
              args: {
                name: "version",
                isOptional: true,
              },
            },
            {
              name: ["-h", "--help"],
              description: "Print help",
            },
          ],
        },
        {
          name: "help",
          description: "Print this message or the help of the given subcommand(s)",
          subcommands: [
            {
              name: "show-ticket-books",
              description: "Display information associated with the imported ticketbooks,",
            },
            {
              name: "import-ticket-book",
              description: "Import a pre-generated ticketbook",
            },
            {
              name: "import-coin-index-signatures",
              description: "Import coin index signatures needed for ticketbooks",
            },
            {
              name: "import-expiration-date-signatures",
              description: "Import expiration date signatures needed for ticketbooks",
            },
            {
              name: "import-master-verification-key",
              description: "Import master verification key needed for ticketbooks",
            },
            {
              name: "help",
              description: "Print this message or the help of the given subcommand(s)",
            },
          ],
        },
      ],
      options: [
        {
          name: ["-h", "--help"],
          description: "Print help",
        },
      ],
    },
    {
      name: "list-gateways",
      description: "List all registered with gateways",
      options: [
        {
          name: "--id",
          description: "Id of client we want to list gateways for",
          isRepeatable: true,
          args: {
            name: "id",
          },
        },
        {
          name: ["-o", "--output"],
          isRepeatable: true,
          args: {
            name: "output",
            isOptional: true,
            suggestions: [
              "text",
              "json",
            ],
          },
        },
        {
          name: ["-h", "--help"],
          description: "Print help",
        },
      ],
    },
    {
      name: "add-gateway",
      description: "Add new gateway to this client",
      options: [
        {
          name: "--id",
          description: "Id of client we want to add gateway for",
          isRepeatable: true,
          args: {
            name: "id",
          },
        },
        {
          name: "--gateway-id",
          description: "Explicitly specify id of the gateway to register with. If unspecified, a random gateway will be chosen instead",
          isRepeatable: true,
          args: {
            name: "gateway_id",
            isOptional: true,
          },
        },
        {
          name: "--nym-apis",
          description: "Comma separated list of rest endpoints of the API validators",
          isRepeatable: true,
          args: {
            name: "nym_apis",
            isOptional: true,
          },
        },
        {
          name: "--custom-mixnet",
          description: "Path to .json file containing custom network specification",
          hidden: true,
          isRepeatable: true,
          args: {
            name: "custom_mixnet",
            isOptional: true,
            template: "filepaths",
          },
        },
        {
          name: ["-o", "--output"],
          isRepeatable: true,
          args: {
            name: "output",
            isOptional: true,
            suggestions: [
              "text",
              "json",
            ],
          },
        },
        {
          name: "--force-tls-gateway",
          description: "Specifies whether the client will attempt to enforce tls connection to the desired gateway",
        },
        {
          name: "--latency-based-selection",
          description: "Specifies whether the new gateway should be determined based by latency as opposed to being chosen uniformly",
          exclusiveOn: [
            "--gateway-id",
          ],
        },
        {
          name: "--set-active",
          description: "Specify whether this new gateway should be set as the active one",
        },
        {
          name: ["-h", "--help"],
          description: "Print help",
        },
      ],
    },
    {
      name: "switch-gateway",
      description: "Change the currently active gateway. Note that you must have already registered with the new gateway!",
      options: [
        {
          name: "--id",
          description: "Id of client we want to list gateways for",
          isRepeatable: true,
          args: {
            name: "id",
          },
        },
        {
          name: "--gateway-id",
          description: "Id of the gateway we want to switch to",
          isRepeatable: true,
          args: {
            name: "gateway_id",
          },
        },
        {
          name: ["-h", "--help"],
          description: "Print help",
        },
      ],
    },
    {
      name: "build-info",
      description: "Show build information of this binary",
      options: [
        {
          name: ["-o", "--output"],
          isRepeatable: true,
          args: {
            name: "output",
            isOptional: true,
            suggestions: [
              "text",
              "json",
            ],
          },
        },
        {
          name: ["-h", "--help"],
          description: "Print help",
        },
      ],
    },
    {
      name: "completions",
      description: "Generate shell completions",
      options: [
        {
          name: ["-h", "--help"],
          description: "Print help",
        },
      ],
      args: {
        name: "shell",
        suggestions: [
          "bash",
          "elvish",
          "fish",
          "power-shell",
          "zsh",
        ],
      },
    },
    {
      name: "generate-fig-spec",
      description: "Generate Fig specification",
      options: [
        {
          name: ["-h", "--help"],
          description: "Print help",
        },
      ],
    },
    {
      name: "help",
      description: "Print this message or the help of the given subcommand(s)",
      subcommands: [
        {
          name: "init",
          description: "Initialise a Nym client. Do this first!",
        },
        {
          name: "run",
          description: "Run the Nym client with provided configuration client optionally overriding set parameters",
        },
        {
          name: "ecash",
          description: "Ecash-related functionalities",
          subcommands: [
            {
              name: "show-ticket-books",
              description: "Display information associated with the imported ticketbooks,",
            },
            {
              name: "import-ticket-book",
              description: "Import a pre-generated ticketbook",
            },
            {
              name: "import-coin-index-signatures",
              description: "Import coin index signatures needed for ticketbooks",
            },
            {
              name: "import-expiration-date-signatures",
              description: "Import expiration date signatures needed for ticketbooks",
            },
            {
              name: "import-master-verification-key",
              description: "Import master verification key needed for ticketbooks",
            },
          ],
        },
        {
          name: "list-gateways",
          description: "List all registered with gateways",
        },
        {
          name: "add-gateway",
          description: "Add new gateway to this client",
        },
        {
          name: "switch-gateway",
          description: "Change the currently active gateway. Note that you must have already registered with the new gateway!",
        },
        {
          name: "build-info",
          description: "Show build information of this binary",
        },
        {
          name: "completions",
          description: "Generate shell completions",
        },
        {
          name: "generate-fig-spec",
          description: "Generate Fig specification",
        },
        {
          name: "help",
          description: "Print this message or the help of the given subcommand(s)",
        },
      ],
    },
  ],
  options: [
    {
      name: ["-c", "--config-env-file"],
      description: "Path pointing to an env file that configures the client",
      isRepeatable: true,
      args: {
        name: "config_env_file",
        isOptional: true,
        template: "filepaths",
      },
    },
    {
      name: "--no-banner",
      description: "Flag used for disabling the printed banner in tty",
    },
    {
      name: ["-h", "--help"],
      description: "Print help",
    },
    {
      name: ["-V", "--version"],
      description: "Print version",
    },
  ],
};

export default completion;
```