openOrCreate

fun openOrCreate(    fileReference: File,     forWriting: Boolean,     setupActionIfNew: IndexedFile.() -> Unit = { },     softCacheSize: Int = defaultSoftCacheSize,     strongCacheSize: Int = defaultStrongCacheSize,     pageSize: Int = defaultPageSize,     compressionBlockSize: Int = defaultCompressionThreshold,     version: Int = defaultVersion,     versionCheck: (Int, Int) -> Boolean = ::defaultVersionCheck): IndexedFile

Create new file of this type, with type-specific parameters overridden as specified.