c_gtk_source_completion_item_new_from_stock

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)
GtkSourceCompletionItem* function(const(char)* label, const(char)* text, const(char)* stock, const(char)* info) c_gtk_source_completion_item_new_from_stock;

Meta