{
  global:
    extern "C" {
        "HiTraceChainTracepointExWrapper";
        "HiTraceChainIsFlagEnabledWrapper";
        "HiTraceChainEnableFlagWrapper";
        "HiTraceChainIsValidWrapper";
        "HiTraceChainSetFlagsWrapper";
        "HiTraceChainGetFlagsWrapper";
        "HiTraceChainSetChainIdWrapper";
        "HiTraceChainGetChainIdWrapper";
        "HiTraceChainSetSpanIdWrapper";
        "HiTraceChainGetSpanIdWrapper";
        "HiTraceChainSetParentSpanIdWrapper";
        "HiTraceChainGetParentSpanIdWrapper";
        "HiTraceChainIdToBytesWrapper";
        "HiTraceChainBytesToIdWrapper";
    };
  local:
    *;
};