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fun View?.goneIf(shouldBeGone: Boolean): View? {
    this ?: return this
    if (shouldBeGone) gone() else visible()
    return this
}

fun View?.goneIf(shouldBeGoneBlock: () ->Boolean): View? {
    this ?: return this
    if (shouldBeGone.invoke()) gone() else visible()
    return this
}

private fun Intent.start(context: Context): Boolean {
    return resolveActivity(context.packageManager)?.let {
        context.startActivity(this)
        true
    } ?: false
}