c_g_signal_accumulator_true_handled

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)
gboolean function(GSignalInvocationHint* ihint, GValue* returnAccu, GValue* handlerReturn, void* dummy) c_g_signal_accumulator_true_handled;

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