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use tree_type;
// Test 1: Basic file
tree_type!
// Test 2: Basic directory
tree_type!
// Test 3: Custom filename
tree_type!
// Test 4: Custom type
tree_type!
// Test 5: Nested (3 levels)
tree_type!
// Test 6: Multiple children
tree_type!
// Test 7: Complex combination
tree_type!