c_gtk_tree_model_sort_convert_child_iter_to_iter

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)
int function(GtkTreeModelSort* treeModelSort, GtkTreeIter* sortIter, GtkTreeIter* childIter) c_gtk_tree_model_sort_convert_child_iter_to_iter;

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