Could use some warn logging here?

[FranklinYinanDing]

sbt-restli/restli-tools-scala/src/main/scala/com/linkedin/restli/tools/scala/DocString.scala

Lines 9 to 10 in 2768470

	case LinkToMember(_, _) => "" // unsupported
	case LinkToTpl(_) => "" // unsupported