code: public ServiceFuture<PublicIPPrefixInner> getByResourceGroupAsync(String resourceGroupName, String publicIpPrefixName, final ServiceCallback<PublicIPPrefixInner> serviceCallback) {
          return ServiceFuture.fromResponse(getByResourceGroupWithServiceResponseAsync(resourceGroupName, publicIpPrefixName), serviceCallback);
      }
docs: Gets the specified public IP prefix in a specified resource group.
  
  @param resourceGroupName The name of the resource group.
  @param publicIpPrefixName The name of the PublicIPPrefx.
  @param serviceCallback the async ServiceCallback to handle successful and failed responses.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the {@link ServiceFuture} object