c_soup_multipart_input_stream_next_part_async

Undocumented in source but is binding to C. You might be able to learn more by searching the web for its name.
extern (C) __gshared
void function(SoupMultipartInputStream* multipart, int ioPriority, GCancellable* cancellable, GAsyncReadyCallback callback, void* data) c_soup_multipart_input_stream_next_part_async;

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