docs: public ApiResponse<UpgradePathEnvelope> getUpgradePathWithHttpInfo(String did, String action) throws ApiException {
          com.squareup.okhttp.Call call = getUpgradePathValidateBeforeCall(did, action, null, null);
          Type localVarReturnType = new TypeToken<UpgradePathEnvelope>(){}.getType();
          return apiClient.execute(call, localVarReturnType);
      }