c_gst_tag_list_add_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)
void function(GstTagList* list, GstTagMergeMode mode, const(char)* tag, void* varArgs) c_gst_tag_list_add_valist;

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