public object ViewBindingCache {

    private var impl: ViewBindingCacheImpl = ViewBindingCacheImpl.Noop

    internal fun <T : ViewBinding> getInflateWithLayoutInflater(
        viewBindingClass: Class<T>
    ): InflateViewBinding<T> {
        return impl.getInflateWithLayoutInflater(viewBindingClass)
    }

    internal fun <T : ViewBinding> getBind(
        viewBindingClass: Class<T>
    ): BindViewBinding<T> {
        return impl.getBind(viewBindingClass)
    }

    public fun clear() {
        impl.clear()
    }

    public fun setEnabled(enabled: Boolean) {
        impl = if (enabled) ViewBindingCacheImpl.Default() else ViewBindingCacheImpl.Noop
    }
}

private sealed interface ViewBindingCacheImpl {
    class Default : ViewBindingCacheImpl { ... }
    data object Noop : ViewBindingCacheImpl
}

public object ViewBindingCache {

    private var cacheEnabled = false
    private val cache = mutableMapOf<...>()

    internal fun <T : ViewBinding> getInflateWithLayoutInflater(
        viewBindingClass: Class<T>
    ): InflateViewBinding<T> {
        if (cacheEnabled) {
            return ...
        } else {
            return ...
        }
    }

    internal fun <T : ViewBinding> getBind(
        viewBindingClass: Class<T>
    ): BindViewBinding<T> {
        if (cacheEnabled) {
            return ...
        } else {
            return ...
        }
    }

    public fun clear() {
        ...
    }

    public fun setEnabled(enabled: Boolean) {
        cache.clear()
        this.cacheEnabled = enabled
    }
}

fun <T> lazy(mode: LazyThreadSafetyMode, initializer: () -> T): Lazy<T>

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fun PersonDto?.toPerson(): Person? = 
     if (this == null) {
         null
     } else {
         Person(
              name = name,
              surname = surname,
              age = age
         )
     }