public void RemoveAssetTagForFile(string targetGuid, string fileGuid, string tag)
{
PBXBuildFileData data = this.BuildFilesGetForSourceFile(targetGuid, fileGuid);
if (data != null)
{
data.assetTags.Remove(tag);
foreach (PBXBuildFileData data2 in this.BuildFilesGetAll())
{
if (data2.assetTags.Contains(tag))
{
return;
}
}
this.project.project.knownAssetTags.Remove(tag);
}
}