toPlaceholderFloat
fun MythicLineConfig.toPlaceholderFloat(array: Array<String>, defaultValue: Float = 0.0f): (PlaceholderArgument) -> Float
fun <T> MythicLineConfig.toPlaceholderFloat(array: Array<String>, defaultValue: Float = 0.0f, mapper: (Float) -> T): (PlaceholderArgument) -> T