code: public PublicIPPrefixInner beginCreateOrUpdate(String resourceGroupName, String publicIpPrefixName, PublicIPPrefixInner parameters) {
          return beginCreateOrUpdateWithServiceResponseAsync(resourceGroupName, publicIpPrefixName, parameters).toBlocking().single().body();
      }
docs: Creates or updates a static or dynamic public IP prefix.
  
  @param resourceGroupName The name of the resource group.
  @param publicIpPrefixName The name of the public IP prefix.
  @param parameters Parameters supplied to the create or update public IP prefix operation.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @throws CloudException thrown if the request is rejected by server
  @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent
  @return the PublicIPPrefixInner object if successful.