fun maxDepth(depth: Int): FileTreeWalk
Sets the maximum depth of a directory tree to traverse. By default there is no limit.
The value must be positive and Int.MAX_VALUE is used to specify an unlimited depth.
With a value of 1, walker visits only the origin directory and all its immediate children, with a value of 2 also grandchildren, etc.
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Licensed under the Apache License, Version 2.0.
https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.io/-file-tree-walk/max-depth.html