code: public ServiceFuture<SpatialAnchorsAccountInner> getByResourceGroupAsync(String resourceGroupName, String spatialAnchorsAccountName, final ServiceCallback<SpatialAnchorsAccountInner> serviceCallback) {
          return ServiceFuture.fromResponse(getByResourceGroupWithServiceResponseAsync(resourceGroupName, spatialAnchorsAccountName), serviceCallback);
      }
docs: Retrieve a Spatial Anchors Account.
  
  @param resourceGroupName Name of an Azure resource group.
  @param spatialAnchorsAccountName Name of an Mixed Reality Spatial Anchors Account.
  @param serviceCallback the async ServiceCallback to handle successful and failed responses.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the {@link ServiceFuture} object