Asynchronously queries the stream for a GFileInfo. When completed,
callback will be called with a GAsyncResult which can be used to
finish the operation with g_file_output_stream_query_info_finish().
For the synchronous version of this function, see
g_file_output_stream_query_info().
Asynchronously queries the stream for a GFileInfo. When completed, callback will be called with a GAsyncResult which can be used to finish the operation with g_file_output_stream_query_info_finish(). For the synchronous version of this function, see g_file_output_stream_query_info().