pub fn bytes(file: File) -> promise.Promise(BitArray)

pub fn create_object_url(object: File) -> String

pub fn mime(file: File) -> String

pub fn name(file: File) -> String

pub fn new(bits: BitArray, name: String) -> File

pub fn size(file: File) -> Int

pub fn slice(file: File, start: Int, end: Int) -> blob.Blob

pub fn text(file: File) -> promise.Promise(String)