ExplicitResultTypes crashes on java paths

[olafurpg]

scala/test/explicitResultTypes/ExplicitResultTypesBase.scala:55:16: error: java.lang.ClassCastException: scala.meta.Type$Select$TypeSelectImpl cannot be cast to scala.meta.Term$Ref
	at scalafix.internal.util.TypeSyntax.loop$2(TypeSyntax.scala:183)
	at scalafix.internal.util.TypeSyntax.symbolToTree(TypeSyntax.scala:196)
	at scalafix.internal.util.TypeSyntax.toTypeRef(TypeSyntax.scala:287)
	at scalafix.internal.util.TypeSyntax.toType(TypeSyntax.scala:341)
	at scalafix.internal.util.TypeSyntax.$anonfun$toType$1(TypeSyntax.scala:297)
	at scala.collection.Iterator$$anon$10.next(Iterator.scala:448)
	at scala.collection.Iterator.foreach(Iterator.scala:929)
	at scala.collection.Iterator.foreach$(Iterator.scala:929)
	at scala.collection.AbstractIterator.foreach(Iterator.scala:1417)
	at scala.collection.generic.Growable.$plus$plus$eq(Growable.scala:59)
	at scala.collection.generic.Growable.$plus$plus$eq$(Growable.scala:50)
	at scala.collection.mutable.ListBuffer.$plus$plus$eq(ListBuffer.scala:186)
	at scala.collection.mutable.ListBuffer.$plus$plus$eq(ListBuffer.scala:44)
	at scala.collection.TraversableOnce.to(TraversableOnce.scala:310)
	at scala.collection.TraversableOnce.to$(TraversableOnce.scala:308)
	at scala.collection.AbstractIterator.to(Iterator.scala:1417)
	at scala.collection.TraversableOnce.toList(TraversableOnce.scala:294)
	at scala.collection.TraversableOnce.toList$(TraversableOnce.scala:294)
	at scala.collection.AbstractIterator.toList(Iterator.scala:1417)
	at scalafix.internal.util.TypeSyntax.targs$1(TypeSyntax.scala:297)
	at scalafix.internal.util.TypeSyntax.toType(TypeSyntax.scala:347)
	at scalafix.internal.util.TypeSyntax.prettify(TypeSyntax.scala:449)
	at scalafix.internal.util.TypeSyntax$.prettify(TypeSyntax.scala:28)
	at scalafix.internal.rule.ExplicitResultTypes.$anonfun$fix$3(ExplicitResultTypes.scala:82)
	at scala.Option.flatMap(Option.scala:171)
	at scalafix.internal.rule.ExplicitResultTypes.$anonfun$fix$2(ExplicitResultTypes.scala:81)
	at scala.Option.flatMap(Option.scala:171)
	at scalafix.internal.rule.ExplicitResultTypes.$anonfun$fix$1(ExplicitResultTypes.scala:80)
	at scala.Option.flatMap(Option.scala:171)
	at scalafix.internal.rule.ExplicitResultTypes.defnType$1(ExplicitResultTypes.scala:79)
	at scalafix.internal.rule.ExplicitResultTypes.$anonfun$fix$9(ExplicitResultTypes.scala:100)
	at scala.Option.flatMap(Option.scala:171)
	at scalafix.internal.rule.ExplicitResultTypes.$anonfun$fix$7(ExplicitResultTypes.scala:98)
	at scala.Option.flatMap(Option.scala:171)
	at scalafix.internal.rule.ExplicitResultTypes.$anonfun$fix$5(ExplicitResultTypes.scala:94)
	at scala.Option.flatMap(Option.scala:171)
	at scalafix.internal.rule.ExplicitResultTypes.scalafix$internal$rule$ExplicitResultTypes$$fix$1(ExplicitResultTypes.scala:93)
	at scalafix.internal.rule.ExplicitResultTypes$$anonfun$fix$15.applyOrElse(ExplicitResultTypes.scala:151)
	at scalafix.internal.rule.ExplicitResultTypes$$anonfun$fix$15.applyOrElse(ExplicitResultTypes.scala:148)
	at scala.PartialFunction$Lifted.apply(PartialFunction.scala:224)
	at scala.PartialFunction$Lifted.apply(PartialFunction.scala:220)
	at scala.meta.transversers.Api$XtensionCollectionLikeUI$traverser$4$.apply(Api.scala:32)
	at scala.meta.transversers.Traverser.apply(Traverser.scala:4)
	at scala.meta.transversers.Traverser.apply(Traverser.scala:4)
	at scala.meta.transversers.Api$XtensionCollectionLikeUI$traverser$4$.apply(Api.scala:33)
	at scala.meta.transversers.Traverser.apply(Traverser.scala:4)
	at scala.meta.transversers.Api$XtensionCollectionLikeUI$traverser$4$.apply(Api.scala:33)
	at scala.meta.transversers.Traverser.apply(Traverser.scala:4)
	at scala.meta.transversers.Traverser.apply(Traverser.scala:4)
	at scala.meta.transversers.Api$XtensionCollectionLikeUI$traverser$4$.apply(Api.scala:33)
	at scala.meta.transversers.Traverser.apply(Traverser.scala:4)
	at scala.meta.transversers.Traverser.apply(Traverser.scala:4)
	at scala.meta.transversers.Api$XtensionCollectionLikeUI$traverser$4$.apply(Api.scala:33)
	at scala.meta.transversers.Api$XtensionCollectionLikeUI.collect(Api.scala:36)
	at scalafix.internal.rule.ExplicitResultTypes.fix(ExplicitResultTypes.scala:148)
	at scalafix.rule.Rule.fixWithName(Rule.scala:104)
	at scalafix.rule.Rule$CompositeRule.$anonfun$fixWithName$2(Rule.scala:139)
	at scala.collection.LinearSeqOptimized.foldLeft(LinearSeqOptimized.scala:122)
	at scala.collection.LinearSeqOptimized.foldLeft$(LinearSeqOptimized.scala:118)
	at scala.collection.immutable.List.foldLeft(List.scala:86)
	at scalafix.rule.Rule$CompositeRule.fixWithName(Rule.scala:139)
  implicit val map = new java.util.HashMap[Int, java.lang.String]().entrySet()
               ^

[olafurpg]

Fixed in #675 with the introduction of PrettyType