public IRenderingHtmlRequestParametersBuilder <IGetRenderingHtmlRequest> SourceVersion(int?itemVersion)
{
BaseValidator.CheckForTwiceSetAndThrow(this.itemSourceAccumulator.VersionNumber, this.GetType().Name + ".Version");
BaseValidator.AssertPositiveNumber(itemVersion, this.GetType().Name + ".SourceVersion");
this.itemSourceAccumulator = new ItemSourcePOD(
this.itemSourceAccumulator.Database,
this.itemSourceAccumulator.Language,
itemVersion);
return(this);
}