private bool CheckVersions(
Document document, VersionStamp textVersion, VersionStamp dependentProjectVersion, VersionStamp dependentSemanticVersion, Data existingData)
{
// first check full version to see whether we can reuse data in same session, if we can't, check timestamp only version to see whether
// we can use it cross-session.
return document.CanReusePersistedTextVersion(textVersion, existingData.TextVersion) &&
document.Project.CanReusePersistedDependentSemanticVersion(dependentProjectVersion, dependentSemanticVersion, existingData.SemanticVersion);
}
