in sbt-idea-compiler-indices/src/main/scala/org/jetbrains/sbt/indices/IntellijIndexer.scala [23:34]
def empty: ClassesInfo = ClassesInfo(Array.empty[File], Array.empty[File])
}
def compilationInfoDir(base: File, projectId: String): File =
projectCompilationInfoDir(base.toPath, projectId).toFile
def isIdeaProject(base: File): Boolean = Files.isDirectory(base.toPath.resolve(".idea"))
def findCorrespondingClassesInfo(
currentRelations: Relations,
prevRelations: Relations
): ClassesInfo = {