def METHOD_NAME(network_watcher_name: Optional[str] = None,
                        resource_group_name: Optional[str] = None,
                        opts: Optional[pulumi.InvokeOptions] = None) -> AwaitableGetNetworkWatcherResult:
    """
    Gets the specified network watcher by resource group.
    :param str network_watcher_name: The name of the network watcher.
    :param str resource_group_name: The name of the resource group.
    """
    __args__ = dict()
    __args__['networkWatcherName'] = network_watcher_name
    __args__['resourceGroupName'] = resource_group_name
    opts = pulumi.InvokeOptions.merge(_utilities.get_invoke_opts_defaults(), opts)
    __ret__ = pulumi.runtime.invoke('azure-native:network/v20230401:getNetworkWatcher', __args__, opts=opts, typ=GetNetworkWatcherResult).value
    return AwaitableGetNetworkWatcherResult(
        etag=pulumi.get(__ret__, 'etag'),
        id=pulumi.get(__ret__, 'id'),
        location=pulumi.get(__ret__, 'location'),
        name=pulumi.get(__ret__, 'name'),
        provisioning_state=pulumi.get(__ret__, 'provisioning_state'),
        tags=pulumi.get(__ret__, 'tags'),
        type=pulumi.get(__ret__, 'type'))