findKFunction
inline fun <R> Collection<KFunction<*>>.findKFunction(name: String, ignoreCase: Boolean = false): Option<KFunction<R>>
inline fun <R> Collection<() -> *>.findKFunction(name: String, ignoreCase: Boolean = false): Option<() -> R>
inline fun <R> Collection<(*) -> *>.findKFunction(name: String, ignoreCase: Boolean = false): Option<(Any) -> R>
inline fun <R> Collection<(*, *) -> *>.findKFunction(name: String, ignoreCase: Boolean = false): Option<(*, *) -> R>