code: public GetVolumeResponse getVolume(GetVolumeRequest request) {
          checkNotNull(request, "request should not be null.");
          checkStringNotEmpty(request.getVolumeId(), "request volumeId should not be empty.");
          InternalRequest internalRequest =
                  this.createRequest(request, HttpMethodName.GET, VOLUME_PREFIX, request.getVolumeId());
          return invokeHttpClient(internalRequest, GetVolumeResponse.class);
      }
docs: Get the detail information of specified volume.
  
  @param request The request containing all options for getting the detail information of specified volume.
  @return The response containing the detail information of specified volume.