c_g_file_replace_contents_async

Undocumented in source but is binding to C. You might be able to learn more by searching the web for its name.
__gshared extern (C)
void function(GFile* file, char* contents, gsize length, char* etag, gboolean makeBackup, GFileCreateFlags flags, GCancellable* cancellable, GAsyncReadyCallback callback, void* userData) c_g_file_replace_contents_async;

Meta