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How to manually clear bearer tokens in `Auth` plugin in ktor 3 ?

Previously in ktor 2.* I was using this approach (<https://stackoverflow.com/questions/69991824/how-to-clear-bearer-tokens-in-ktor-client-for-android|stack oveflow>)
```private fun HttpClient.resetTokens() {
    pluginOrNull(Auth)
        ?.providers
        ?.filterIsInstance<BearerAuthProvider>()
        ?.firstOrNull()
        ?.clearToken()
}```
but unlucky in ktor 3 `providers` is not available any more (only `install` method is available)

something like
```httpClient.authProviders      
    .filterIsInstance<BearerAuthProvider>().firstOrNull()
    ?.clearToken()```

nice, even simpler than before, thanks very much!

even simpler
```httpClient
    .authProvider<BearerAuthProvider>()
    ?.clearToken()```