fun File.walkTopDown(): FileTreeWalk
Platform and version requirements: JVM
Gets a sequence for visiting this directory and all its content in top-down order. Depth-first search is used and directories are visited before all their files.
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Licensed under the Apache License, Version 2.0.
https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.io/java.io.-file/walk-top-down.html