c_gst_pad_create_stream_id_printf_valist

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)
char* function(GstPad* pad, GstElement* parent, const(char)* streamId, void* varArgs) c_gst_pad_create_stream_id_printf_valist;

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