inline fun <K, V> getExistingNullable(plant: AssertionPlant<Map<out K, V>>, key: K): AssertionPlantNullable<V>
Overrides MapAssertions.getExistingNullable
inline fun <K, V> getExistingNullable(plant: AssertionPlant<Map<out K, V>>, key: K, noinline assertionCreator: AssertionPlantNullable<V>.() -> Unit): Assertion
Overrides MapAssertions.getExistingNullable