@Deprecated(forRemoval = true, since = "10.1")
	public static void performCacheMaintOnOldDirIfNeeded(File oldCacheDir) {
		if (oldCacheDir.isDirectory()) {
			performCacheMaintIfNeeded(oldCacheDir, 2 /* old nesting level */);
		}
	}
Backwards compatible with previous cache directories to age off the files located
therein.

@param oldCacheDir the old 2-level cache directory
@deprecated Marked as deprecated to ensure this is removed in a few versions after most
user's old-style cache dirs have been cleaned up.
Ghidra/Features/Base/src/main/java/ghidra/formats/gfilesystem/FileCache.java