FileWriterSync

external interface FileWriterSync

length	`abstract var length: Number`
position	`abstract var position: Number`

seek	`abstract fun seek(offset: Number): Unit`
truncate	`abstract fun truncate(size: Number): Unit`
write	`abstract fun write(data: <ERROR CLASS>): Unit`

fun <T> Any?.createInstance(vararg args: dynamic): T

Helper function for creating JavaScript objects from dynamic constructors.