// compatibility only.

TF_Status* TF_NewStatus() { return TSL_NewStatus(); }
void TF_DeleteStatus(TF_Status* s) { TSL_DeleteStatus(s); }
void TF_SetStatus(TF_Status* s, TF_Code code, const char* msg) {
  TSL_SetStatus(s, TSL_Code(code), msg);
}
void TF_SetPayload(TF_Status* s, const char* key, const char* value) {
  TSL_SetPayload(s, key, value);
}
void TF_ForEachPayload(const TF_Status* s, TF_PayloadVisitor visitor,