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GlobalScope.launch {
        val config = fetchConfigFromServer() // network request
        updateConfiguration(config)
    }

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suspend fun doSomething(): Int {
    delay(1000L) // pretend we are doing something useful here
    return 13
}

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@OptIn(ExperimentalFoundationApi::class)
@Composable
fun ContactsList(
    modifier: Modifier = Modifier,
    contacts: Map<String, List<ContactModel>> = Collections.emptyMap()
){
    LazyColumn(modifier) {
        contacts.map { entry ->
            // Our stick header displays the alphabet letters
            stickyHeader {

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dependencies {
// Google permission lib
    implementation(libs.permission.lib)
}

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[versions]
accompanistVersion = "0.28.0"

[libraries]
## Google Permissions lib
permission-lib = { group = "com.google.accompanist", name = "accompanist-permissions", version.ref = "accompanistVersion" }

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@OptIn(ExperimentalPermissionsApi::class)
@Composable
fun MainApp() {
    // The theme of our app
    ContactsAppTheme {
        // Defines a default Scaffold with a default TopAppBar called `MainTopAppBar()`
        Scaffold(
            modifier = Modifier.fillMaxSize(),
            topBar = { MainTopAppBar() }
        ) { innerPadding ->

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@Composable
fun MainAppContent(
    modifier: Modifier = Modifier,
    state: ContactUiState
) {
    Box(modifier = modifier
        .fillMaxSize()
    ) {
        // the loader indicator
        AnimatedVisibility(visible = state.loading) {

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@AndroidEntryPoint
class MainActivity : ComponentActivity() {
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContent {
            MainApp()
        }
    }
}

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@HiltViewModel
class ContactsViewModel @Inject constructor(
    private val contactsRepository: ContactsRepository
) : ViewModel() {
    // We are defining a MutableStateFlow for the `ContactUiState` with an
    // initial value of loading = true. So when the app is first launched, 
    // a loading screen will be displayed while we fetch the contacts list.
    private val _uiState = MutableStateFlow(ContactUiState(loading = true))
    val uiState = _uiState.asStateFlow()

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data class ContactUiState(
    val loading: Boolean = false,
    val contacts: GroupedContacts = Collections.emptyMap()
)

/**
* Type aliases provide alternative names for existing types. 
* If the type name is too long you can introduce a different shorter name 
* and use the new one instead. In this example, we've created a typealias 
* for `ContactModel` to convert it into a Map which includes the alphabets